28142556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{13877}}^1$

素因数の和:13910

約数の個数: 36

約数和(自身を含む): 71110872

約数和(自身を除く): 42968316

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 13877, 27754, 41631, 55508, 83262, 166524, 180401, 360802, 541203, 721604, 1082406, 2164812, 2345213, 4690426, 7035639, 9380852, 14071278, 28142556]

約数ペア:

[(1, 28142556), (2, 14071278), (3, 9380852), (4, 7035639), (6, 4690426), (12, 2345213), (13, 2164812), (26, 1082406), (39, 721604), (52, 541203), (78, 360802), (156, 180401), (169, 166524), (338, 83262), (507, 55508), (676, 41631), (1014, 27754), (2028, 13877)]