28476838

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{173}}^1\times {\mathrm{487}}^1$

素因数の和:688

約数の個数: 24

約数和(自身を含む): 46616688

約数和(自身を除く): 18139850

約数列:

[1, 2, 13, 26, 169, 173, 338, 346, 487, 974, 2249, 4498, 6331, 12662, 29237, 58474, 82303, 84251, 164606, 168502, 1095263, 2190526, 14238419, 28476838]

約数ペア:

[(1, 28476838), (2, 14238419), (13, 2190526), (26, 1095263), (169, 168502), (173, 164606), (338, 84251), (346, 82303), (487, 58474), (974, 29237), (2249, 12662), (4498, 6331)]