661199855

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{1481}}^1\times {\mathrm{3079}}^1$

素因数の和:4594

約数の個数: 16

約数和(自身を含む): 821620800

約数和(自身を除く): 160420945

約数列:

[1, 5, 29, 145, 1481, 3079, 7405, 15395, 42949, 89291, 214745, 446455, 4559999, 22799995, 132239971, 661199855]

約数ペア:

[(1, 661199855), (5, 132239971), (29, 22799995), (145, 4559999), (1481, 446455), (3079, 214745), (7405, 89291), (15395, 42949)]