28790690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1039}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 55261440

約数和(自身を除く): 26470750

約数列:

[1, 2, 5, 10, 17, 34, 85, 163, 170, 326, 815, 1039, 1630, 2078, 2771, 5195, 5542, 10390, 13855, 17663, 27710, 35326, 88315, 169357, 176630, 338714, 846785, 1693570, 2879069, 5758138, 14395345, 28790690]

約数ペア:

[(1, 28790690), (2, 14395345), (5, 5758138), (10, 2879069), (17, 1693570), (34, 846785), (85, 338714), (163, 176630), (170, 169357), (326, 88315), (815, 35326), (1039, 27710), (1630, 17663), (2078, 13855), (2771, 10390), (5195, 5542)]