221870719

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{14207}}^1$

素因数の和:14334

約数の個数: 16

約数和(自身を含む): 267337728

約数和(自身を除く): 45467009

約数列:

[1, 7, 23, 97, 161, 679, 2231, 14207, 15617, 99449, 326761, 1378079, 2287327, 9646553, 31695817, 221870719]

約数ペア:

[(1, 221870719), (7, 31695817), (23, 9646553), (97, 2287327), (161, 1378079), (679, 326761), (2231, 99449), (14207, 15617)]