399476688

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:381

約数の個数: 160

約数和(自身を含む): 1160925696

約数和(自身を除く): 761449008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 47, 48, 52, 53, 78, 94, 104, 106, 141, 156, 159, 188, 208, 212, 257, 282, 312, 318, 376, 424, 514, 564, 611, 624, 636, 689, 752, 771, 848, 1028, 1128, 1222, 1272, 1378, 1542, 1833, 2056, 2067, 2256, 2444, 2491, 2544, 2756, 3084, 3341, 3666, 4112, 4134, 4888, 4982, 5512, 6168, 6682, 7332, 7473, 8268, 9776, 9964, 10023, 11024, 12079, 12336, 13364, 13621, 14664, 14946, 16536, 19928, 20046, 24158, 26728, 27242, 29328, 29892, 32383, 33072, 36237, 39856, 40092, 40863, 48316, 53456, 54484, 59784, 64766, 72474, 80184, 81726, 96632, 97149, 108968, 119568, 129532, 144948, 157027, 160368, 163452, 177073, 193264, 194298, 217936, 259064, 289896, 314054, 326904, 354146, 388596, 471081, 518128, 531219, 579792, 628108, 640187, 653808, 708292, 777192, 942162, 1062438, 1256216, 1280374, 1416584, 1554384, 1884324, 1920561, 2124876, 2512432, 2560748, 2833168, 3768648, 3841122, 4249752, 5121496, 7537296, 7682244, 8322431, 8499504, 10242992, 15364488, 16644862, 24967293, 30728976, 33289724, 49934586, 66579448, 99869172, 133158896, 199738344, 399476688]

約数ペア:

[(1, 399476688), (2, 199738344), (3, 133158896), (4, 99869172), (6, 66579448), (8, 49934586), (12, 33289724), (13, 30728976), (16, 24967293), (24, 16644862), (26, 15364488), (39, 10242992), (47, 8499504), (48, 8322431), (52, 7682244), (53, 7537296), (78, 5121496), (94, 4249752), (104, 3841122), (106, 3768648), (141, 2833168), (156, 2560748), (159, 2512432), (188, 2124876), (208, 1920561), (212, 1884324), (257, 1554384), (282, 1416584), (312, 1280374), (318, 1256216), (376, 1062438), (424, 942162), (514, 777192), (564, 708292), (611, 653808), (624, 640187), (636, 628108), (689, 579792), (752, 531219), (771, 518128), (848, 471081), (1028, 388596), (1128, 354146), (1222, 326904), (1272, 314054), (1378, 289896), (1542, 259064), (1833, 217936), (2056, 194298), (2067, 193264), (2256, 177073), (2444, 163452), (2491, 160368), (2544, 157027), (2756, 144948), (3084, 129532), (3341, 119568), (3666, 108968), (4112, 97149), (4134, 96632), (4888, 81726), (4982, 80184), (5512, 72474), (6168, 64766), (6682, 59784), (7332, 54484), (7473, 53456), (8268, 48316), (9776, 40863), (9964, 40092), (10023, 39856), (11024, 36237), (12079, 33072), (12336, 32383), (13364, 29892), (13621, 29328), (14664, 27242), (14946, 26728), (16536, 24158), (19928, 20046)]