820864798

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{269}}^1\times {\mathrm{487}}^1$

素因数の和:1012

約数の個数: 32

約数和(自身を含む): 1339208640

約数和(自身を除く): 518343842

約数列:

[1, 2, 13, 26, 241, 269, 482, 487, 538, 974, 3133, 3497, 6266, 6331, 6994, 12662, 64829, 117367, 129658, 131003, 234734, 262006, 842777, 1525771, 1685554, 1703039, 3051542, 3406078, 31571723, 63143446, 410432399, 820864798]

約数ペア:

[(1, 820864798), (2, 410432399), (13, 63143446), (26, 31571723), (241, 3406078), (269, 3051542), (482, 1703039), (487, 1685554), (538, 1525771), (974, 842777), (3133, 262006), (3497, 234734), (6266, 131003), (6331, 129658), (6994, 117367), (12662, 64829)]