25877228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 50916096

約数和(自身を除く): 25038868

約数列:

[1, 2, 4, 13, 26, 43, 52, 71, 86, 142, 163, 172, 284, 326, 559, 652, 923, 1118, 1846, 2119, 2236, 3053, 3692, 4238, 6106, 7009, 8476, 11573, 12212, 14018, 23146, 28036, 39689, 46292, 79378, 91117, 150449, 158756, 182234, 300898, 364468, 497639, 601796, 995278, 1990556, 6469307, 12938614, 25877228]

約数ペア:

[(1, 25877228), (2, 12938614), (4, 6469307), (13, 1990556), (26, 995278), (43, 601796), (52, 497639), (71, 364468), (86, 300898), (142, 182234), (163, 158756), (172, 150449), (284, 91117), (326, 79378), (559, 46292), (652, 39689), (923, 28036), (1118, 23146), (1846, 14018), (2119, 12212), (2236, 11573), (3053, 8476), (3692, 7009), (4238, 6106)]