1639319812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{158419}}^1$

素因数の和:158635

約数の個数: 24

約数和(自身を含む): 3105032000

約数和(自身を除く): 1465712188

約数列:

[1, 2, 4, 13, 26, 52, 199, 398, 796, 2587, 5174, 10348, 158419, 316838, 633676, 2059447, 4118894, 8237788, 31525381, 63050762, 126101524, 409829953, 819659906, 1639319812]

約数ペア:

[(1, 1639319812), (2, 819659906), (4, 409829953), (13, 126101524), (26, 63050762), (52, 31525381), (199, 8237788), (398, 4118894), (796, 2059447), (2587, 633676), (5174, 316838), (10348, 158419)]