28279433

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{227}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 35929152

約数和(自身を除く): 7649719

約数列:

[1, 7, 13, 37, 91, 227, 259, 481, 1369, 1589, 2951, 3367, 8399, 9583, 17797, 20657, 58793, 109187, 124579, 310763, 764309, 2175341, 4039919, 28279433]

約数ペア:

[(1, 28279433), (7, 4039919), (13, 2175341), (37, 764309), (91, 310763), (227, 124579), (259, 109187), (481, 58793), (1369, 20657), (1589, 17797), (2951, 9583), (3367, 8399)]