25811215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2801}}^1$

素因数の和:2922

約数の個数: 16

約数和(自身を含む): 32951520

約数和(自身を除く): 7140305

約数列:

[1, 5, 19, 95, 97, 485, 1843, 2801, 9215, 14005, 53219, 266095, 271697, 1358485, 5162243, 25811215]

約数ペア:

[(1, 25811215), (5, 5162243), (19, 1358485), (95, 271697), (97, 266095), (485, 53219), (1843, 14005), (2801, 9215)]