243994530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{625627}}^1$

素因数の和:625650

約数の個数: 32

約数和(自身を含む): 630633024

約数和(自身を除く): 386638494

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 625627, 1251254, 1876881, 3128135, 3753762, 6256270, 8133151, 9384405, 16266302, 18768810, 24399453, 40665755, 48798906, 81331510, 121997265, 243994530]

約数ペア:

[(1, 243994530), (2, 121997265), (3, 81331510), (5, 48798906), (6, 40665755), (10, 24399453), (13, 18768810), (15, 16266302), (26, 9384405), (30, 8133151), (39, 6256270), (65, 3753762), (78, 3128135), (130, 1876881), (195, 1251254), (390, 625627)]