71378275

素因数分解:

$5^2\times {\mathrm{31}}^2\times {\mathrm{2971}}^1$

素因数の和:3043

約数の個数: 18

約数和(自身を含む): 91487076

約数和(自身を除く): 20108801

約数列:

[1, 5, 25, 31, 155, 775, 961, 2971, 4805, 14855, 24025, 74275, 92101, 460505, 2302525, 2855131, 14275655, 71378275]

約数ペア:

[(1, 71378275), (5, 14275655), (25, 2855131), (31, 2302525), (155, 460505), (775, 92101), (961, 74275), (2971, 24025), (4805, 14855)]