25739207

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^3\times {\mathrm{31}}^1$

素因数の和:108

約数の個数: 24

約数和(自身を含む): 30568320

約数和(自身を除く): 4829113

約数列:

[1, 13, 17, 31, 169, 221, 289, 403, 527, 2873, 3757, 4913, 5239, 6851, 8959, 48841, 63869, 89063, 116467, 152303, 830297, 1514071, 1979939, 25739207]

約数ペア:

[(1, 25739207), (13, 1979939), (17, 1514071), (31, 830297), (169, 152303), (221, 116467), (289, 89063), (403, 63869), (527, 48841), (2873, 8959), (3757, 6851), (4913, 5239)]