85616489

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2\times {\mathrm{173}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 105318720

約数和(自身を除く): 19702231

約数列:

[1, 7, 19, 61, 133, 173, 427, 1159, 1211, 3287, 3721, 8113, 10553, 23009, 26047, 70699, 73871, 200507, 494893, 643733, 1403549, 4506131, 12230927, 85616489]

約数ペア:

[(1, 85616489), (7, 12230927), (19, 4506131), (61, 1403549), (133, 643733), (173, 494893), (427, 200507), (1159, 73871), (1211, 70699), (3287, 26047), (3721, 23009), (8113, 10553)]