63145420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{242867}}^1$

素因数の和:242889

約数の個数: 24

約数和(自身を含む): 142806384

約数和(自身を除く): 79660964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 242867, 485734, 971468, 1214335, 2428670, 3157271, 4857340, 6314542, 12629084, 15786355, 31572710, 63145420]

約数ペア:

[(1, 63145420), (2, 31572710), (4, 15786355), (5, 12629084), (10, 6314542), (13, 4857340), (20, 3157271), (26, 2428670), (52, 1214335), (65, 971468), (130, 485734), (260, 242867)]