90895025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{911}}^1$

素因数の和:1241

約数の個数: 24

約数和(自身を含む): 121908864

約数和(自身を除く): 31013839

約数列:

[1, 5, 13, 25, 65, 307, 325, 911, 1535, 3991, 4555, 7675, 11843, 19955, 22775, 59215, 99775, 279677, 296075, 1398385, 3635801, 6991925, 18179005, 90895025]

約数ペア:

[(1, 90895025), (5, 18179005), (13, 6991925), (25, 3635801), (65, 1398385), (307, 296075), (325, 279677), (911, 99775), (1535, 59215), (3991, 22775), (4555, 19955), (7675, 11843)]