28924259

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2671}}^1$

素因数の和:2715

約数の個数: 24

約数和(自身を含む): 38380608

約数和(自身を除く): 9456349

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 637, 833, 1547, 2671, 10829, 18697, 34723, 45407, 130879, 243061, 317849, 590291, 1701427, 2224943, 4132037, 28924259]

約数ペア:

[(1, 28924259), (7, 4132037), (13, 2224943), (17, 1701427), (49, 590291), (91, 317849), (119, 243061), (221, 130879), (637, 45407), (833, 34723), (1547, 18697), (2671, 10829)]