338021242

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{20219}}^1$

素因数の和:20877

約数の個数: 16

約数和(自身を含む): 546910560

約数和(自身を除く): 208889318

約数列:

[1, 2, 13, 26, 643, 1286, 8359, 16718, 20219, 40438, 262847, 525694, 13000817, 26001634, 169010621, 338021242]

約数ペア:

[(1, 338021242), (2, 169010621), (13, 26001634), (26, 13000817), (643, 525694), (1286, 262847), (8359, 40438), (16718, 20219)]