620700848

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{3217}}^1$

素因数の和:3645

約数の個数: 40

約数和(自身を含む): 1244979840

約数和(自身を除く): 624278992

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 389, 496, 778, 1556, 3112, 3217, 6224, 6434, 12059, 12868, 24118, 25736, 48236, 51472, 96472, 99727, 192944, 199454, 398908, 797816, 1251413, 1595632, 2502826, 5005652, 10011304, 20022608, 38793803, 77587606, 155175212, 310350424, 620700848]

約数ペア:

[(1, 620700848), (2, 310350424), (4, 155175212), (8, 77587606), (16, 38793803), (31, 20022608), (62, 10011304), (124, 5005652), (248, 2502826), (389, 1595632), (496, 1251413), (778, 797816), (1556, 398908), (3112, 199454), (3217, 192944), (6224, 99727), (6434, 96472), (12059, 51472), (12868, 48236), (24118, 25736)]