215481371

素因数分解:

$7^2\times {\mathrm{89}}^1\times {\mathrm{49411}}^1$

素因数の和:49514

約数の個数: 12

約数和(自身を含む): 253483560

約数和(自身を除く): 38002189

約数列:

[1, 7, 49, 89, 623, 4361, 49411, 345877, 2421139, 4397579, 30783053, 215481371]

約数ペア:

[(1, 215481371), (7, 30783053), (49, 4397579), (89, 2421139), (623, 345877), (4361, 49411)]