28465684

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{2477}}^1$

素因数の和:2524

約数の個数: 36

約数和(自身を含む): 57137724

約数和(自身を除く): 28672040

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 221, 338, 442, 676, 884, 2477, 2873, 4954, 5746, 9908, 11492, 32201, 42109, 64402, 84218, 128804, 168436, 418613, 547417, 837226, 1094834, 1674452, 2189668, 7116421, 14232842, 28465684]

約数ペア:

[(1, 28465684), (2, 14232842), (4, 7116421), (13, 2189668), (17, 1674452), (26, 1094834), (34, 837226), (52, 547417), (68, 418613), (169, 168436), (221, 128804), (338, 84218), (442, 64402), (676, 42109), (884, 32201), (2477, 11492), (2873, 9908), (4954, 5746)]