28774028

素因数分解:

$2^2\times {\mathrm{71}}^2\times {\mathrm{1427}}^1$

素因数の和:1573

約数の個数: 18

約数和(自身を含む): 51109548

約数和(自身を除く): 22335520

約数列:

[1, 2, 4, 71, 142, 284, 1427, 2854, 5041, 5708, 10082, 20164, 101317, 202634, 405268, 7193507, 14387014, 28774028]

約数ペア:

[(1, 28774028), (2, 14387014), (4, 7193507), (71, 405268), (142, 202634), (284, 101317), (1427, 20164), (2854, 10082), (5041, 5708)]