81810071294

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{307556659}}^1$

素因数の和:307556687

約数の個数: 16

約数和(自身を含む): 147627196800

約数和(自身を除く): 65817125506

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 307556659, 615113318, 2152896613, 4305793226, 5843576521, 11687153042, 40905035647, 81810071294]

約数ペア:

[(1, 81810071294), (2, 40905035647), (7, 11687153042), (14, 5843576521), (19, 4305793226), (38, 2152896613), (133, 615113318), (266, 307556659)]