720456438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{9236621}}^1$

素因数の和:9236639

約数の個数: 16

約数和(自身を含む): 1551752496

約数和(自身を除く): 831296058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 9236621, 18473242, 27709863, 55419726, 120076073, 240152146, 360228219, 720456438]

約数ペア:

[(1, 720456438), (2, 360228219), (3, 240152146), (6, 120076073), (13, 55419726), (26, 27709863), (39, 18473242), (78, 9236621)]