12720829042

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{7907}}^1\times {\mathrm{42337}}^1$

素因数の和:50265

約数の個数: 16

約数和(自身を含む): 20088534240

約数和(自身を除く): 7367705198

約数列:

[1, 2, 19, 38, 7907, 15814, 42337, 84674, 150233, 300466, 804403, 1608806, 334758659, 669517318, 6360414521, 12720829042]

約数ペア:

[(1, 12720829042), (2, 6360414521), (19, 669517318), (38, 334758659), (7907, 1608806), (15814, 804403), (42337, 300466), (84674, 150233)]