12665425

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{1753}}^1$

素因数の和:1797

約数の個数: 18

約数和(自身を含む): 16692818

約数和(自身を除く): 4027393

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 1753, 7225, 8765, 29801, 43825, 149005, 506617, 745025, 2533085, 12665425]

約数ペア:

[(1, 12665425), (5, 2533085), (17, 745025), (25, 506617), (85, 149005), (289, 43825), (425, 29801), (1445, 8765), (1753, 7225)]