28710994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{3821}}^1$

素因数の和:3870

約数の個数: 24

約数和(自身を含む): 49280868

約数和(自身を除く): 20569874

約数列:

[1, 2, 13, 17, 26, 34, 221, 289, 442, 578, 3757, 3821, 7514, 7642, 49673, 64957, 99346, 129914, 844441, 1104269, 1688882, 2208538, 14355497, 28710994]

約数ペア:

[(1, 28710994), (2, 14355497), (13, 2208538), (17, 1688882), (26, 1104269), (34, 844441), (221, 129914), (289, 99346), (442, 64957), (578, 49673), (3757, 7642), (3821, 7514)]