90131876

素因数分解:

$2^2\times {\mathrm{199}}^2\times {\mathrm{569}}^1$

素因数の和:971

約数の個数: 18

約数和(自身を含む): 158805990

約数和(自身を除く): 68674114

約数列:

[1, 2, 4, 199, 398, 569, 796, 1138, 2276, 39601, 79202, 113231, 158404, 226462, 452924, 22532969, 45065938, 90131876]

約数ペア:

[(1, 90131876), (2, 45065938), (4, 22532969), (199, 452924), (398, 226462), (569, 158404), (796, 113231), (1138, 79202), (2276, 39601)]