87720518977

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{2971}}^1\times {\mathrm{46351}}^1$

素因数の和:49349

約数の個数: 24

約数和(自身を含む): 109930998912

約数和(自身を除く): 22210479935

約数列:

[1, 7, 13, 49, 91, 637, 2971, 20797, 38623, 46351, 145579, 270361, 324457, 602563, 1892527, 2271199, 4217941, 29525587, 137708821, 963961747, 1790214673, 6747732229, 12531502711, 87720518977]

約数ペア:

[(1, 87720518977), (7, 12531502711), (13, 6747732229), (49, 1790214673), (91, 963961747), (637, 137708821), (2971, 29525587), (20797, 4217941), (38623, 2271199), (46351, 1892527), (145579, 602563), (270361, 324457)]