1640852493

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1474261}}^1$

素因数の和:1474324

約数の個数: 16

約数和(自身を含む): 2547524736

約数和(自身を除く): 906672243

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 1474261, 4422783, 10319827, 30959481, 78135833, 234407499, 546950831, 1640852493]

約数ペア:

[(1, 1640852493), (3, 546950831), (7, 234407499), (21, 78135833), (53, 30959481), (159, 10319827), (371, 4422783), (1113, 1474261)]