221529491

素因数分解:

${\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{157897}}^1$

素因数の和:157981

約数の個数: 8

約数和(自身を含む): 234952224

約数和(自身を除く): 13422733

約数列:

[1, 23, 61, 1403, 157897, 3631631, 9631717, 221529491]

約数ペア:

[(1, 221529491), (23, 9631717), (61, 3631631), (1403, 157897)]