520080071

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{541}}^1\times {\mathrm{853}}^1$

素因数の和:1431

約数の個数: 24

約数和(自身を含む): 633203424

約数和(自身を除く): 113123353

約数列:

[1, 7, 23, 49, 161, 541, 853, 1127, 3787, 5971, 12443, 19619, 26509, 41797, 87101, 137333, 461473, 609707, 961331, 3230311, 10613879, 22612177, 74297153, 520080071]

約数ペア:

[(1, 520080071), (7, 74297153), (23, 22612177), (49, 10613879), (161, 3230311), (541, 961331), (853, 609707), (1127, 461473), (3787, 137333), (5971, 87101), (12443, 41797), (19619, 26509)]