82704575

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{11447}}^1$

素因数の和:11491

約数の個数: 18

約数和(自身を含む): 108950616

約数和(自身を除く): 26246041

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 7225, 11447, 57235, 194599, 286175, 972995, 3308183, 4864975, 16540915, 82704575]

約数ペア:

[(1, 82704575), (5, 16540915), (17, 4864975), (25, 3308183), (85, 972995), (289, 286175), (425, 194599), (1445, 57235), (7225, 11447)]