64871225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3331}}^1$

素因数の和:3401

約数の個数: 24

約数和(自身を含む): 86765280

約数和(自身を除く): 21894055

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 779, 1025, 3331, 3895, 16655, 19475, 63289, 83275, 136571, 316445, 682855, 1582225, 2594849, 3414275, 12974245, 64871225]

約数ペア:

[(1, 64871225), (5, 12974245), (19, 3414275), (25, 2594849), (41, 1582225), (95, 682855), (205, 316445), (475, 136571), (779, 83275), (1025, 63289), (3331, 19475), (3895, 16655)]