65915128

素因数分解:

$2^3\times {\mathrm{421}}^1\times {\mathrm{19571}}^1$

素因数の和:19998

約数の個数: 16

約数和(自身を含む): 123890760

約数和(自身を除く): 57975632

約数列:

[1, 2, 4, 8, 421, 842, 1684, 3368, 19571, 39142, 78284, 156568, 8239391, 16478782, 32957564, 65915128]

約数ペア:

[(1, 65915128), (2, 32957564), (4, 16478782), (8, 8239391), (421, 156568), (842, 78284), (1684, 39142), (3368, 19571)]