81610814

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{719}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 134784000

約数和(自身を除く): 53173186

約数列:

[1, 2, 19, 29, 38, 58, 103, 206, 551, 719, 1102, 1438, 1957, 2987, 3914, 5974, 13661, 20851, 27322, 41702, 56753, 74057, 113506, 148114, 396169, 792338, 1407083, 2147653, 2814166, 4295306, 40805407, 81610814]

約数ペア:

[(1, 81610814), (2, 40805407), (19, 4295306), (29, 2814166), (38, 2147653), (58, 1407083), (103, 792338), (206, 396169), (551, 148114), (719, 113506), (1102, 74057), (1438, 56753), (1957, 41702), (2987, 27322), (3914, 20851), (5974, 13661)]