645116

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 1224720

約数和(自身を除く): 579604

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 179, 212, 358, 716, 901, 1802, 3043, 3604, 6086, 9487, 12172, 18974, 37948, 161279, 322558, 645116]

約数ペア:

[(1, 645116), (2, 322558), (4, 161279), (17, 37948), (34, 18974), (53, 12172), (68, 9487), (106, 6086), (179, 3604), (212, 3043), (358, 1802), (716, 901)]