138920308

素因数分解:

$2^2\times {\mathrm{199}}^2\times {\mathrm{877}}^1$

素因数の和:1279

約数の個数: 18

約数和(自身を含む): 244616946

約数和(自身を除く): 105696638

約数列:

[1, 2, 4, 199, 398, 796, 877, 1754, 3508, 39601, 79202, 158404, 174523, 349046, 698092, 34730077, 69460154, 138920308]

約数ペア:

[(1, 138920308), (2, 69460154), (4, 34730077), (199, 698092), (398, 349046), (796, 174523), (877, 158404), (1754, 79202), (3508, 39601)]