681208942

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{139079}}^1$

素因数の和:139191

約数の個数: 16

約数和(自身を含む): 1068134400

約数和(自身を除く): 386925458

約数列:

[1, 2, 31, 62, 79, 158, 2449, 4898, 139079, 278158, 4311449, 8622898, 10987241, 21974482, 340604471, 681208942]

約数ペア:

[(1, 681208942), (2, 340604471), (31, 21974482), (62, 10987241), (79, 8622898), (158, 4311449), (2449, 278158), (4898, 139079)]