68220464

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{327983}}^1$

素因数の和:328004

約数の個数: 20

約数和(自身を含む): 142345056

約数和(自身を除く): 74124592

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 327983, 655966, 1311932, 2623864, 4263779, 5247728, 8527558, 17055116, 34110232, 68220464]

約数ペア:

[(1, 68220464), (2, 34110232), (4, 17055116), (8, 8527558), (13, 5247728), (16, 4263779), (26, 2623864), (52, 1311932), (104, 655966), (208, 327983)]