666536

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:78

約数の個数: 48

約数和(自身を含む): 1482300

約数和(自身を除く): 815764

約数列:

[1, 2, 4, 8, 13, 17, 26, 29, 34, 52, 58, 68, 104, 116, 136, 169, 221, 232, 338, 377, 442, 493, 676, 754, 884, 986, 1352, 1508, 1768, 1972, 2873, 3016, 3944, 4901, 5746, 6409, 9802, 11492, 12818, 19604, 22984, 25636, 39208, 51272, 83317, 166634, 333268, 666536]

約数ペア:

[(1, 666536), (2, 333268), (4, 166634), (8, 83317), (13, 51272), (17, 39208), (26, 25636), (29, 22984), (34, 19604), (52, 12818), (58, 11492), (68, 9802), (104, 6409), (116, 5746), (136, 4901), (169, 3944), (221, 3016), (232, 2873), (338, 1972), (377, 1768), (442, 1508), (493, 1352), (676, 986), (754, 884)]