25001548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 52002720

約数和(自身を除く): 27001172

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 109, 143, 218, 286, 401, 436, 572, 802, 1199, 1417, 1604, 2398, 2834, 4411, 4796, 5213, 5668, 8822, 10426, 15587, 17644, 20852, 31174, 43709, 57343, 62348, 87418, 114686, 174836, 229372, 480799, 568217, 961598, 1136434, 1923196, 2272868, 6250387, 12500774, 25001548]

約数ペア:

[(1, 25001548), (2, 12500774), (4, 6250387), (11, 2272868), (13, 1923196), (22, 1136434), (26, 961598), (44, 568217), (52, 480799), (109, 229372), (143, 174836), (218, 114686), (286, 87418), (401, 62348), (436, 57343), (572, 43709), (802, 31174), (1199, 20852), (1417, 17644), (1604, 15587), (2398, 10426), (2834, 8822), (4411, 5668), (4796, 5213)]