1981445816

素因数分解:

$2^3\times 7^1\times {\mathrm{439}}^1\times {\mathrm{80599}}^1$

素因数の和:81051

約数の個数: 32

約数和(自身を含む): 4255680000

約数和(自身を除く): 2274234184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 439, 878, 1756, 3073, 3512, 6146, 12292, 24584, 80599, 161198, 322396, 564193, 644792, 1128386, 2256772, 4513544, 35382961, 70765922, 141531844, 247680727, 283063688, 495361454, 990722908, 1981445816]

約数ペア:

[(1, 1981445816), (2, 990722908), (4, 495361454), (7, 283063688), (8, 247680727), (14, 141531844), (28, 70765922), (56, 35382961), (439, 4513544), (878, 2256772), (1756, 1128386), (3073, 644792), (3512, 564193), (6146, 322396), (12292, 161198), (24584, 80599)]