220082009

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{12541}}^1$

素因数の和:12680

約数の個数: 16

約数和(自身を含む): 264887040

約数和(自身を除く): 44805031

約数列:

[1, 7, 23, 109, 161, 763, 2507, 12541, 17549, 87787, 288443, 1366969, 2019101, 9568783, 31440287, 220082009]

約数ペア:

[(1, 220082009), (7, 31440287), (23, 9568783), (109, 2019101), (161, 1366969), (763, 288443), (2507, 87787), (12541, 17549)]