388631256

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1245613}}^1$

素因数の和:1245635

約数の個数: 32

約数和(自身を含む): 1046315760

約数和(自身を除く): 657684504

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 1245613, 2491226, 3736839, 4982452, 7473678, 9964904, 14947356, 16192969, 29894712, 32385938, 48578907, 64771876, 97157814, 129543752, 194315628, 388631256]

約数ペア:

[(1, 388631256), (2, 194315628), (3, 129543752), (4, 97157814), (6, 64771876), (8, 48578907), (12, 32385938), (13, 29894712), (24, 16192969), (26, 14947356), (39, 9964904), (52, 7473678), (78, 4982452), (104, 3736839), (156, 2491226), (312, 1245613)]