28389823

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{733}}^1$

素因数の和:1254

約数の個数: 16

約数和(自身を含む): 35513856

約数和(自身を除く): 7124033

約数列:

[1, 7, 11, 77, 503, 733, 3521, 5131, 5533, 8063, 38731, 56441, 368699, 2580893, 4055689, 28389823]

約数ペア:

[(1, 28389823), (7, 4055689), (11, 2580893), (77, 368699), (503, 56441), (733, 38731), (3521, 8063), (5131, 5533)]