2531275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^2$

素因数の和:175

約数の個数: 18

約数和(自身を含む): 3349860

約数和(自身を除く): 818585

約数列:

[1, 5, 19, 25, 73, 95, 365, 475, 1387, 1825, 5329, 6935, 26645, 34675, 101251, 133225, 506255, 2531275]

約数ペア:

[(1, 2531275), (5, 506255), (19, 133225), (25, 101251), (73, 34675), (95, 26645), (365, 6935), (475, 5329), (1387, 1825)]