42621394

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1\times {\mathrm{821}}^1$

素因数の和:1181

約数の個数: 16

約数和(自身を含む): 64895256

約数和(自身を除く): 22273862

約数列:

[1, 2, 101, 202, 257, 514, 821, 1642, 25957, 51914, 82921, 165842, 210997, 421994, 21310697, 42621394]

約数ペア:

[(1, 42621394), (2, 21310697), (101, 421994), (202, 210997), (257, 165842), (514, 82921), (821, 51914), (1642, 25957)]