31490238

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{403721}}^1$

素因数の和:403739

約数の個数: 16

約数和(自身を含む): 67825296

約数和(自身を除く): 36335058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 403721, 807442, 1211163, 2422326, 5248373, 10496746, 15745119, 31490238]

約数ペア:

[(1, 31490238), (2, 15745119), (3, 10496746), (6, 5248373), (13, 2422326), (26, 1211163), (39, 807442), (78, 403721)]