1275142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:551

約数の個数: 16

約数和(自身を含む): 2106000

約数和(自身を除く): 830858

約数列:

[1, 2, 11, 22, 149, 298, 389, 778, 1639, 3278, 4279, 8558, 57961, 115922, 637571, 1275142]

約数ペア:

[(1, 1275142), (2, 637571), (11, 115922), (22, 57961), (149, 8558), (298, 4279), (389, 3278), (778, 1639)]