77648389

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1543}}^1$

素因数の和:1649

約数の個数: 24

約数和(自身を含む): 98568960

約数和(自身を除く): 20920571

約数列:

[1, 7, 13, 49, 79, 91, 553, 637, 1027, 1543, 3871, 7189, 10801, 20059, 50323, 75607, 121897, 140413, 853279, 982891, 1584661, 5972953, 11092627, 77648389]

約数ペア:

[(1, 77648389), (7, 11092627), (13, 5972953), (49, 1584661), (79, 982891), (91, 853279), (553, 140413), (637, 121897), (1027, 75607), (1543, 50323), (3871, 20059), (7189, 10801)]