51991225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14543}}^1$

素因数の和:14577

約数の個数: 24

約数和(自身を含む): 75745152

約数和(自身を除く): 23753927

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 14543, 72715, 159973, 189059, 363575, 799865, 945295, 2079649, 3999325, 4726475, 10398245, 51991225]

約数ペア:

[(1, 51991225), (5, 10398245), (11, 4726475), (13, 3999325), (25, 2079649), (55, 945295), (65, 799865), (143, 363575), (275, 189059), (325, 159973), (715, 72715), (3575, 14543)]