251013275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{12889}}^1$

素因数の和:12959

約数の個数: 24

約数和(自身を含む): 335655600

約数和(自身を除く): 84642325

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 779, 1025, 3895, 12889, 19475, 64445, 244891, 322225, 528449, 1224455, 2642245, 6122275, 10040531, 13211225, 50202655, 251013275]

約数ペア:

[(1, 251013275), (5, 50202655), (19, 13211225), (25, 10040531), (41, 6122275), (95, 2642245), (205, 1224455), (475, 528449), (779, 322225), (1025, 244891), (3895, 64445), (12889, 19475)]