40280513

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23297}}^1$

素因数の和:23336

約数の個数: 16

約数和(自身を含む): 52187520

約数和(自身を除く): 11907007

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 23297, 163079, 302861, 442643, 2120027, 3098501, 5754359, 40280513]

約数ペア:

[(1, 40280513), (7, 5754359), (13, 3098501), (19, 2120027), (91, 442643), (133, 302861), (247, 163079), (1729, 23297)]