68221475

素因数分解:

$5^2\times 7^2\times {\mathrm{55691}}^1$

素因数の和:55715

約数の個数: 18

約数和(自身を含む): 98407764

約数和(自身を除く): 30186289

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 55691, 278455, 389837, 1392275, 1949185, 2728859, 9745925, 13644295, 68221475]

約数ペア:

[(1, 68221475), (5, 13644295), (7, 9745925), (25, 2728859), (35, 1949185), (49, 1392275), (175, 389837), (245, 278455), (1225, 55691)]