257687136

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:474

約数の個数: 192

約数和(自身を含む): 868008960

約数和(自身を除く): 610321824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 84, 96, 108, 112, 126, 137, 144, 168, 189, 216, 224, 252, 274, 288, 311, 336, 378, 411, 432, 504, 548, 622, 672, 756, 822, 864, 933, 959, 1008, 1096, 1233, 1244, 1512, 1644, 1866, 1918, 2016, 2177, 2192, 2466, 2488, 2799, 2877, 3024, 3288, 3699, 3732, 3836, 4354, 4384, 4932, 4976, 5598, 5754, 6048, 6531, 6576, 7398, 7464, 7672, 8397, 8631, 8708, 9864, 9952, 11196, 11508, 13062, 13152, 14796, 14928, 15344, 16794, 17262, 17416, 19593, 19728, 22392, 23016, 25893, 26124, 29592, 29856, 30688, 33588, 34524, 34832, 39186, 39456, 42607, 44784, 46032, 51786, 52248, 58779, 59184, 67176, 69048, 69664, 78372, 85214, 89568, 92064, 103572, 104496, 117558, 118368, 127821, 134352, 138096, 156744, 170428, 207144, 208992, 235116, 255642, 268704, 276192, 298249, 313488, 340856, 383463, 414288, 470232, 511284, 596498, 626976, 681712, 766926, 828576, 894747, 940464, 1022568, 1150389, 1192996, 1363424, 1533852, 1789494, 1880928, 2045136, 2300778, 2385992, 2684241, 3067704, 3578988, 4090272, 4601556, 4771984, 5368482, 6135408, 7157976, 8052723, 9203112, 9543968, 10736964, 12270816, 14315952, 16105446, 18406224, 21473928, 28631904, 32210892, 36812448, 42947856, 64421784, 85895712, 128843568, 257687136]

約数ペア:

[(1, 257687136), (2, 128843568), (3, 85895712), (4, 64421784), (6, 42947856), (7, 36812448), (8, 32210892), (9, 28631904), (12, 21473928), (14, 18406224), (16, 16105446), (18, 14315952), (21, 12270816), (24, 10736964), (27, 9543968), (28, 9203112), (32, 8052723), (36, 7157976), (42, 6135408), (48, 5368482), (54, 4771984), (56, 4601556), (63, 4090272), (72, 3578988), (84, 3067704), (96, 2684241), (108, 2385992), (112, 2300778), (126, 2045136), (137, 1880928), (144, 1789494), (168, 1533852), (189, 1363424), (216, 1192996), (224, 1150389), (252, 1022568), (274, 940464), (288, 894747), (311, 828576), (336, 766926), (378, 681712), (411, 626976), (432, 596498), (504, 511284), (548, 470232), (622, 414288), (672, 383463), (756, 340856), (822, 313488), (864, 298249), (933, 276192), (959, 268704), (1008, 255642), (1096, 235116), (1233, 208992), (1244, 207144), (1512, 170428), (1644, 156744), (1866, 138096), (1918, 134352), (2016, 127821), (2177, 118368), (2192, 117558), (2466, 104496), (2488, 103572), (2799, 92064), (2877, 89568), (3024, 85214), (3288, 78372), (3699, 69664), (3732, 69048), (3836, 67176), (4354, 59184), (4384, 58779), (4932, 52248), (4976, 51786), (5598, 46032), (5754, 44784), (6048, 42607), (6531, 39456), (6576, 39186), (7398, 34832), (7464, 34524), (7672, 33588), (8397, 30688), (8631, 29856), (8708, 29592), (9864, 26124), (9952, 25893), (11196, 23016), (11508, 22392), (13062, 19728), (13152, 19593), (14796, 17416), (14928, 17262), (15344, 16794)]