28528916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3947}}^1$

素因数の和:4103

約数の個数: 24

約数和(自身を含む): 54166560

約数和(自身を除く): 25637644

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 3614, 3947, 7228, 7894, 15788, 51311, 102622, 205244, 548633, 1097266, 2194532, 7132229, 14264458, 28528916]

約数ペア:

[(1, 28528916), (2, 14264458), (4, 7132229), (13, 2194532), (26, 1097266), (52, 548633), (139, 205244), (278, 102622), (556, 51311), (1807, 15788), (3614, 7894), (3947, 7228)]