12777721918

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1219481}}^1$

素因数の和:1219540

約数の個数: 24

約数和(自身を含む): 21423859776

約数和(自身を除く): 8646137858

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 5239, 10478, 1219481, 2438962, 15853253, 31706506, 37803911, 75607822, 206092289, 412184578, 491450843, 982901686, 6388860959, 12777721918]

約数ペア:

[(1, 12777721918), (2, 6388860959), (13, 982901686), (26, 491450843), (31, 412184578), (62, 206092289), (169, 75607822), (338, 37803911), (403, 31706506), (806, 15853253), (5239, 2438962), (10478, 1219481)]