221361217

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{14593}}^1$

素因数の和:14808

約数の個数: 16

約数和(自身を含む): 277402752

約数和(自身を除く): 56041535

約数列:

[1, 7, 11, 77, 197, 1379, 2167, 14593, 15169, 102151, 160523, 1123661, 2874821, 20123747, 31623031, 221361217]

約数ペア:

[(1, 221361217), (7, 31623031), (11, 20123747), (77, 2874821), (197, 1123661), (1379, 160523), (2167, 102151), (14593, 15169)]