221294593

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{7309}}^1$

素因数の和:7476

約数の個数: 16

約数和(自身を含む): 254212560

約数和(自身を除く): 32917967

約数列:

[1, 13, 17, 137, 221, 1781, 2329, 7309, 30277, 95017, 124253, 1001333, 1615289, 13017329, 17022661, 221294593]

約数ペア:

[(1, 221294593), (13, 17022661), (17, 13017329), (137, 1615289), (221, 1001333), (1781, 124253), (2329, 95017), (7309, 30277)]