39970021

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:182

約数の個数: 32

約数和(自身を含む): 52093440

約数和(自身を除く): 12123419

約数列:

[1, 7, 13, 23, 91, 113, 161, 169, 299, 791, 1183, 1469, 2093, 2197, 2599, 3887, 10283, 15379, 18193, 19097, 27209, 33787, 50531, 133679, 236509, 248261, 353717, 439231, 1737827, 3074617, 5710003, 39970021]

約数ペア:

[(1, 39970021), (7, 5710003), (13, 3074617), (23, 1737827), (91, 439231), (113, 353717), (161, 248261), (169, 236509), (299, 133679), (791, 50531), (1183, 33787), (1469, 27209), (2093, 19097), (2197, 18193), (2599, 15379), (3887, 10283)]