28284412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 55544832

約数和(自身を除く): 27260420

約数列:

[1, 2, 4, 13, 26, 47, 52, 71, 94, 142, 163, 188, 284, 326, 611, 652, 923, 1222, 1846, 2119, 2444, 3337, 3692, 4238, 6674, 7661, 8476, 11573, 13348, 15322, 23146, 30644, 43381, 46292, 86762, 99593, 150449, 173524, 199186, 300898, 398372, 543931, 601796, 1087862, 2175724, 7071103, 14142206, 28284412]

約数ペア:

[(1, 28284412), (2, 14142206), (4, 7071103), (13, 2175724), (26, 1087862), (47, 601796), (52, 543931), (71, 398372), (94, 300898), (142, 199186), (163, 173524), (188, 150449), (284, 99593), (326, 86762), (611, 46292), (652, 43381), (923, 30644), (1222, 23146), (1846, 15322), (2119, 13348), (2444, 11573), (3337, 8476), (3692, 7661), (4238, 6674)]