81471376

素因数分解:

$2^4\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1657}}^1$

素因数の和:2111

約数の個数: 40

約数和(自身を含む): 180920960

約数和(自身を除く): 99449584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 439, 878, 1657, 1756, 3073, 3314, 3512, 6146, 6628, 7024, 11599, 12292, 13256, 23198, 24584, 26512, 46396, 49168, 92792, 185584, 727423, 1454846, 2909692, 5091961, 5819384, 10183922, 11638768, 20367844, 40735688, 81471376]

約数ペア:

[(1, 81471376), (2, 40735688), (4, 20367844), (7, 11638768), (8, 10183922), (14, 5819384), (16, 5091961), (28, 2909692), (56, 1454846), (112, 727423), (439, 185584), (878, 92792), (1657, 49168), (1756, 46396), (3073, 26512), (3314, 24584), (3512, 23198), (6146, 13256), (6628, 12292), (7024, 11599)]