89427289

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^2\times {\mathrm{89}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 109226880

約数和(自身を除く): 19799591

約数列:

[1, 7, 23, 79, 89, 161, 553, 623, 1817, 2047, 6241, 7031, 12719, 14329, 43687, 49217, 143543, 161713, 555449, 1004801, 1131991, 3888143, 12775327, 89427289]

約数ペア:

[(1, 89427289), (7, 12775327), (23, 3888143), (79, 1131991), (89, 1004801), (161, 555449), (553, 161713), (623, 143543), (1817, 49217), (2047, 43687), (6241, 14329), (7031, 12719)]