166297825

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{23017}}^1$

素因数の和:23061

約数の個数: 18

約数和(自身を含む): 219062306

約数和(自身を除く): 52764481

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 7225, 23017, 115085, 391289, 575425, 1956445, 6651913, 9782225, 33259565, 166297825]

約数ペア:

[(1, 166297825), (5, 33259565), (17, 9782225), (25, 6651913), (85, 1956445), (289, 575425), (425, 391289), (1445, 115085), (7225, 23017)]