1297213822

素因数分解:

$2^1\times {\mathrm{659}}^1\times {\mathrm{661}}^1\times {\mathrm{1489}}^1$

素因数の和:2811

約数の個数: 16

約数和(自身を含む): 1953032400

約数和(自身を除く): 655818578

約数列:

[1, 2, 659, 661, 1318, 1322, 1489, 2978, 435599, 871198, 981251, 984229, 1962502, 1968458, 648606911, 1297213822]

約数ペア:

[(1, 1297213822), (2, 648606911), (659, 1968458), (661, 1962502), (1318, 984229), (1322, 981251), (1489, 871198), (2978, 435599)]