25120991

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1\times {\mathrm{463}}^1$

素因数の和:830

約数の個数: 16

約数和(自身を含む): 30111744

約数和(自身を除く): 4990753

約数列:

[1, 7, 23, 161, 337, 463, 2359, 3241, 7751, 10649, 54257, 74543, 156031, 1092217, 3588713, 25120991]

約数ペア:

[(1, 25120991), (7, 3588713), (23, 1092217), (161, 156031), (337, 74543), (463, 54257), (2359, 10649), (3241, 7751)]