221180454545

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{22469}}^1\times {\mathrm{103619}}^1$

素因数の和:126112

約数の個数: 16

約数和(自身を含む): 279400968000

約数和(自身を除く): 58220513455

約数列:

[1, 5, 19, 95, 22469, 103619, 112345, 426911, 518095, 1968761, 2134555, 9843805, 2328215311, 11641076555, 44236090909, 221180454545]

約数ペア:

[(1, 221180454545), (5, 44236090909), (19, 11641076555), (95, 2328215311), (22469, 9843805), (103619, 2134555), (112345, 1968761), (426911, 518095)]