28395536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{647}}^1$

素因数の和:879

約数の個数: 40

約数和(自身を含む): 59621184

約数和(自身を除く): 31225648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 211, 422, 647, 844, 1294, 1688, 2588, 2743, 3376, 5176, 5486, 8411, 10352, 10972, 16822, 21944, 33644, 43888, 67288, 134576, 136517, 273034, 546068, 1092136, 1774721, 2184272, 3549442, 7098884, 14197768, 28395536]

約数ペア:

[(1, 28395536), (2, 14197768), (4, 7098884), (8, 3549442), (13, 2184272), (16, 1774721), (26, 1092136), (52, 546068), (104, 273034), (208, 136517), (211, 134576), (422, 67288), (647, 43888), (844, 33644), (1294, 21944), (1688, 16822), (2588, 10972), (2743, 10352), (3376, 8411), (5176, 5486)]