220341331

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{773}}^1\times {\mathrm{947}}^1$

素因数の和:1770

約数の個数: 16

約数和(自身を含む): 258280704

約数和(自身を除く): 37939373

約数列:

[1, 7, 43, 301, 773, 947, 5411, 6629, 33239, 40721, 232673, 285047, 732031, 5124217, 31477333, 220341331]

約数ペア:

[(1, 220341331), (7, 31477333), (43, 5124217), (301, 732031), (773, 285047), (947, 232673), (5411, 40721), (6629, 33239)]