638851824

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:264

約数の個数: 240

約数和(自身を含む): 2018120832

約数和(自身を除く): 1379269008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 47, 48, 52, 53, 72, 78, 94, 104, 106, 117, 137, 141, 144, 156, 159, 188, 208, 212, 234, 274, 282, 312, 318, 376, 411, 423, 424, 468, 477, 548, 564, 611, 624, 636, 689, 752, 822, 846, 848, 936, 954, 1096, 1128, 1222, 1233, 1272, 1378, 1644, 1692, 1781, 1833, 1872, 1908, 2067, 2192, 2256, 2444, 2466, 2491, 2544, 2756, 3288, 3384, 3562, 3666, 3816, 4134, 4888, 4932, 4982, 5343, 5499, 5512, 6201, 6439, 6576, 6768, 7124, 7261, 7332, 7473, 7632, 8268, 9776, 9864, 9964, 10686, 10998, 11024, 12402, 12878, 14248, 14522, 14664, 14946, 16029, 16536, 19317, 19728, 19928, 21372, 21783, 21996, 22419, 24804, 25756, 28496, 29044, 29328, 29892, 32058, 32383, 33072, 38634, 39856, 42744, 43566, 43992, 44838, 49608, 51512, 57951, 58088, 59784, 64116, 64766, 65349, 77268, 83707, 85488, 87132, 87984, 89676, 94393, 97149, 99216, 103024, 115902, 116176, 119568, 128232, 129532, 130698, 154536, 167414, 174264, 179352, 188786, 194298, 231804, 251121, 256464, 259064, 261396, 283179, 291447, 309072, 334828, 341267, 348528, 358704, 377572, 388596, 463608, 502242, 518128, 522792, 566358, 582894, 669656, 682534, 753363, 755144, 777192, 849537, 927216, 1004484, 1023801, 1045584, 1132716, 1165788, 1339312, 1365068, 1506726, 1510288, 1554384, 1699074, 2008968, 2047602, 2265432, 2331576, 2730136, 3013452, 3071403, 3398148, 4017936, 4095204, 4436471, 4530864, 4663152, 5460272, 6026904, 6142806, 6796296, 8190408, 8872942, 12053808, 12285612, 13309413, 13592592, 16380816, 17745884, 24571224, 26618826, 35491768, 39928239, 49142448, 53237652, 70983536, 79856478, 106475304, 159712956, 212950608, 319425912, 638851824]

約数ペア:

[(1, 638851824), (2, 319425912), (3, 212950608), (4, 159712956), (6, 106475304), (8, 79856478), (9, 70983536), (12, 53237652), (13, 49142448), (16, 39928239), (18, 35491768), (24, 26618826), (26, 24571224), (36, 17745884), (39, 16380816), (47, 13592592), (48, 13309413), (52, 12285612), (53, 12053808), (72, 8872942), (78, 8190408), (94, 6796296), (104, 6142806), (106, 6026904), (117, 5460272), (137, 4663152), (141, 4530864), (144, 4436471), (156, 4095204), (159, 4017936), (188, 3398148), (208, 3071403), (212, 3013452), (234, 2730136), (274, 2331576), (282, 2265432), (312, 2047602), (318, 2008968), (376, 1699074), (411, 1554384), (423, 1510288), (424, 1506726), (468, 1365068), (477, 1339312), (548, 1165788), (564, 1132716), (611, 1045584), (624, 1023801), (636, 1004484), (689, 927216), (752, 849537), (822, 777192), (846, 755144), (848, 753363), (936, 682534), (954, 669656), (1096, 582894), (1128, 566358), (1222, 522792), (1233, 518128), (1272, 502242), (1378, 463608), (1644, 388596), (1692, 377572), (1781, 358704), (1833, 348528), (1872, 341267), (1908, 334828), (2067, 309072), (2192, 291447), (2256, 283179), (2444, 261396), (2466, 259064), (2491, 256464), (2544, 251121), (2756, 231804), (3288, 194298), (3384, 188786), (3562, 179352), (3666, 174264), (3816, 167414), (4134, 154536), (4888, 130698), (4932, 129532), (4982, 128232), (5343, 119568), (5499, 116176), (5512, 115902), (6201, 103024), (6439, 99216), (6576, 97149), (6768, 94393), (7124, 89676), (7261, 87984), (7332, 87132), (7473, 85488), (7632, 83707), (8268, 77268), (9776, 65349), (9864, 64766), (9964, 64116), (10686, 59784), (10998, 58088), (11024, 57951), (12402, 51512), (12878, 49608), (14248, 44838), (14522, 43992), (14664, 43566), (14946, 42744), (16029, 39856), (16536, 38634), (19317, 33072), (19728, 32383), (19928, 32058), (21372, 29892), (21783, 29328), (21996, 29044), (22419, 28496), (24804, 25756)]