520000505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{142271}}^1$

素因数の和:142336

約数の個数: 16

約数和(自身を含む): 676076544

約数和(自身を除く): 156076039

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 142271, 711355, 2418607, 6117653, 12093035, 30588265, 104000101, 520000505]

約数ペア:

[(1, 520000505), (5, 104000101), (17, 30588265), (43, 12093035), (85, 6117653), (215, 2418607), (731, 711355), (3655, 142271)]