28907804

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{5279}}^1$

素因数の和:5357

約数の個数: 18

約数和(自身を含む): 52002720

約数和(自身を除く): 23094916

約数列:

[1, 2, 4, 37, 74, 148, 1369, 2738, 5279, 5476, 10558, 21116, 195323, 390646, 781292, 7226951, 14453902, 28907804]

約数ペア:

[(1, 28907804), (2, 14453902), (4, 7226951), (37, 781292), (74, 390646), (148, 195323), (1369, 21116), (2738, 10558), (5279, 5476)]