1720628

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 3857280

約数和(自身を除く): 2136652

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 52, 58, 91, 116, 163, 182, 203, 326, 364, 377, 406, 652, 754, 812, 1141, 1508, 2119, 2282, 2639, 4238, 4564, 4727, 5278, 8476, 9454, 10556, 14833, 18908, 29666, 33089, 59332, 61451, 66178, 122902, 132356, 245804, 430157, 860314, 1720628]

約数ペア:

[(1, 1720628), (2, 860314), (4, 430157), (7, 245804), (13, 132356), (14, 122902), (26, 66178), (28, 61451), (29, 59332), (52, 33089), (58, 29666), (91, 18908), (116, 14833), (163, 10556), (182, 9454), (203, 8476), (326, 5278), (364, 4727), (377, 4564), (406, 4238), (652, 2639), (754, 2282), (812, 2119), (1141, 1508)]