221596297

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{2131}}^1$

素因数の和:2584

約数の個数: 16

約数和(自身を含む): 251917120

約数和(自身を除く): 30320823

約数列:

[1, 13, 19, 247, 421, 2131, 5473, 7999, 27703, 40489, 103987, 526357, 897151, 11662963, 17045869, 221596297]

約数ペア:

[(1, 221596297), (13, 17045869), (19, 11662963), (247, 897151), (421, 526357), (2131, 103987), (5473, 40489), (7999, 27703)]