66417416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{638629}}^1$

素因数の和:638648

約数の個数: 16

約数和(自身を含む): 134112300

約数和(自身を除く): 67694884

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 638629, 1277258, 2554516, 5109032, 8302177, 16604354, 33208708, 66417416]

約数ペア:

[(1, 66417416), (2, 33208708), (4, 16604354), (8, 8302177), (13, 5109032), (26, 2554516), (52, 1277258), (104, 638629)]