9900425

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{1097}}^1$

素因数の和:1145

約数の個数: 18

約数和(自身を含む): 12968478

約数和(自身を除く): 3068053

約数列:

[1, 5, 19, 25, 95, 361, 475, 1097, 1805, 5485, 9025, 20843, 27425, 104215, 396017, 521075, 1980085, 9900425]

約数ペア:

[(1, 9900425), (5, 1980085), (19, 521075), (25, 396017), (95, 104215), (361, 27425), (475, 20843), (1097, 9025), (1805, 5485)]