81435264

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{6841}}^1$

素因数の和:6889

約数の個数: 64

約数和(自身を含む): 223322880

約数和(自身を除く): 141887616

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 372, 384, 496, 744, 992, 1488, 1984, 2976, 3968, 5952, 6841, 11904, 13682, 20523, 27364, 41046, 54728, 82092, 109456, 164184, 212071, 218912, 328368, 424142, 437824, 636213, 656736, 848284, 875648, 1272426, 1313472, 1696568, 2544852, 2626944, 3393136, 5089704, 6786272, 10179408, 13572544, 20358816, 27145088, 40717632, 81435264]

約数ペア:

[(1, 81435264), (2, 40717632), (3, 27145088), (4, 20358816), (6, 13572544), (8, 10179408), (12, 6786272), (16, 5089704), (24, 3393136), (31, 2626944), (32, 2544852), (48, 1696568), (62, 1313472), (64, 1272426), (93, 875648), (96, 848284), (124, 656736), (128, 636213), (186, 437824), (192, 424142), (248, 328368), (372, 218912), (384, 212071), (496, 164184), (744, 109456), (992, 82092), (1488, 54728), (1984, 41046), (2976, 27364), (3968, 20523), (5952, 13682), (6841, 11904)]