399757967

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{659}}^1\times {\mathrm{4561}}^1$

素因数の和:5246

約数の個数: 16

約数和(自身を含む): 481747200

約数和(自身を除く): 81989233

約数列:

[1, 7, 19, 133, 659, 4561, 4613, 12521, 31927, 86659, 87647, 606613, 3005699, 21039893, 57108281, 399757967]

約数ペア:

[(1, 399757967), (7, 57108281), (19, 21039893), (133, 3005699), (659, 606613), (4561, 87647), (4613, 86659), (12521, 31927)]