640891329

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{566659}}^1$

素因数の和:566704

約数の個数: 16

約数和(自身を含む): 951988800

約数和(自身を除く): 311097471

約数列:

[1, 3, 13, 29, 39, 87, 377, 1131, 566659, 1699977, 7366567, 16433111, 22099701, 49299333, 213630443, 640891329]

約数ペア:

[(1, 640891329), (3, 213630443), (13, 49299333), (29, 22099701), (39, 16433111), (87, 7366567), (377, 1699977), (1131, 566659)]