247406884

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{4561}}^1$

素因数の和:4827

約数の個数: 24

約数和(自身を含む): 441455616

約数和(自身を除く): 194048732

約数列:

[1, 2, 4, 71, 142, 191, 284, 382, 764, 4561, 9122, 13561, 18244, 27122, 54244, 323831, 647662, 871151, 1295324, 1742302, 3484604, 61851721, 123703442, 247406884]

約数ペア:

[(1, 247406884), (2, 123703442), (4, 61851721), (71, 3484604), (142, 1742302), (191, 1295324), (284, 871151), (382, 647662), (764, 323831), (4561, 54244), (9122, 27122), (13561, 18244)]