25178738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{6967}}^1$

素因数の和:7121

約数の個数: 16

約数和(自身を含む): 40971840

約数和(自身を除く): 15793102

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 6967, 13934, 90571, 181142, 968413, 1936826, 12589369, 25178738]

約数ペア:

[(1, 25178738), (2, 12589369), (13, 1936826), (26, 968413), (139, 181142), (278, 90571), (1807, 13934), (3614, 6967)]