90020189

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{811}}^1$

素因数の和:1076

約数の個数: 16

約数和(自身を含む): 104689536

約数和(自身を除く): 14669347

約数列:

[1, 7, 101, 157, 707, 811, 1099, 5677, 15857, 81911, 110999, 127327, 573377, 891289, 12860027, 90020189]

約数ペア:

[(1, 90020189), (7, 12860027), (101, 891289), (157, 573377), (707, 127327), (811, 110999), (1099, 81911), (5677, 15857)]