2608225

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{19}}^2$

素因数の和:82

約数の個数: 27

約数和(自身を含む): 3625977

約数和(自身を除く): 1017752

約数列:

[1, 5, 17, 19, 25, 85, 95, 289, 323, 361, 425, 475, 1445, 1615, 1805, 5491, 6137, 7225, 8075, 9025, 27455, 30685, 104329, 137275, 153425, 521645, 2608225]

約数ペア:

[(1, 2608225), (5, 521645), (17, 153425), (19, 137275), (25, 104329), (85, 30685), (95, 27455), (289, 9025), (323, 8075), (361, 7225), (425, 6137), (475, 5491), (1445, 1805)]