86561489

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{863}}^1$

素因数の和:989

約数の個数: 24

約数和(自身を含む): 106375680

約数和(自身を除く): 19814191

約数列:

[1, 7, 23, 49, 89, 161, 623, 863, 1127, 2047, 4361, 6041, 14329, 19849, 42287, 76807, 100303, 138943, 537649, 972601, 1766561, 3763543, 12365927, 86561489]

約数ペア:

[(1, 86561489), (7, 12365927), (23, 3763543), (49, 1766561), (89, 972601), (161, 537649), (623, 138943), (863, 100303), (1127, 76807), (2047, 42287), (4361, 19849), (6041, 14329)]