256428528

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{172331}}^1$

素因数の和:172373

約数の個数: 40

約数和(自身を含む): 683813376

約数和(自身を除く): 427384848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 172331, 344662, 516993, 689324, 1033986, 1378648, 2067972, 2757296, 4135944, 5342261, 8271888, 10684522, 16026783, 21369044, 32053566, 42738088, 64107132, 85476176, 128214264, 256428528]

約数ペア:

[(1, 256428528), (2, 128214264), (3, 85476176), (4, 64107132), (6, 42738088), (8, 32053566), (12, 21369044), (16, 16026783), (24, 10684522), (31, 8271888), (48, 5342261), (62, 4135944), (93, 2757296), (124, 2067972), (186, 1378648), (248, 1033986), (372, 689324), (496, 516993), (744, 344662), (1488, 172331)]