2166624719

素因数分解:

$7^2\times {\mathrm{109}}^1\times {\mathrm{405659}}^1$

素因数の和:405782

約数の個数: 12

約数和(自身を含む): 2543488200

約数和(自身を除く): 376863481

約数列:

[1, 7, 49, 109, 763, 5341, 405659, 2839613, 19877291, 44216831, 309517817, 2166624719]

約数ペア:

[(1, 2166624719), (7, 309517817), (49, 44216831), (109, 19877291), (763, 2839613), (5341, 405659)]