71301890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{648199}}^1$

素因数の和:648217

約数の個数: 16

約数和(自身を含む): 140011200

約数和(自身を除く): 68709310

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 648199, 1296398, 3240995, 6481990, 7130189, 14260378, 35650945, 71301890]

約数ペア:

[(1, 71301890), (2, 35650945), (5, 14260378), (10, 7130189), (11, 6481990), (22, 3240995), (55, 1296398), (110, 648199)]