28489682

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2719}}^1$

素因数の和:2778

約数の個数: 24

約数和(自身を含む): 47784960

約数和(自身を除く): 19295278

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 2719, 5239, 5438, 10478, 35347, 70694, 84289, 168578, 459511, 919022, 1095757, 2191514, 14244841, 28489682]

約数ペア:

[(1, 28489682), (2, 14244841), (13, 2191514), (26, 1095757), (31, 919022), (62, 459511), (169, 168578), (338, 84289), (403, 70694), (806, 35347), (2719, 10478), (5239, 5438)]