51327475

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 66440192

約数和(自身を除く): 15112717

約数列:

[1, 5, 25, 31, 103, 155, 515, 643, 775, 2575, 3193, 3215, 15965, 16075, 19933, 66229, 79825, 99665, 331145, 498325, 1655725, 2053099, 10265495, 51327475]

約数ペア:

[(1, 51327475), (5, 10265495), (25, 2053099), (31, 1655725), (103, 498325), (155, 331145), (515, 99665), (643, 79825), (775, 66229), (2575, 19933), (3193, 16075), (3215, 15965)]