26188071

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 44411904

約数和(自身を除く): 18223833

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 157, 169, 273, 329, 471, 507, 611, 987, 1099, 1183, 1833, 2041, 3297, 3549, 4277, 6123, 7379, 7943, 12831, 14287, 22137, 23829, 26533, 42861, 51653, 55601, 79599, 95927, 154959, 166803, 185731, 287781, 557193, 671489, 1247051, 2014467, 3741153, 8729357, 26188071]

約数ペア:

[(1, 26188071), (3, 8729357), (7, 3741153), (13, 2014467), (21, 1247051), (39, 671489), (47, 557193), (91, 287781), (141, 185731), (157, 166803), (169, 154959), (273, 95927), (329, 79599), (471, 55601), (507, 51653), (611, 42861), (987, 26533), (1099, 23829), (1183, 22137), (1833, 14287), (2041, 12831), (3297, 7943), (3549, 7379), (4277, 6123)]