28869665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{7393}}^1$

素因数の和:7480

約数の個数: 16

約数和(自身を含む): 38330496

約数和(自身を除く): 9460831

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 7393, 36965, 81323, 406615, 524903, 2624515, 5773933, 28869665]

約数ペア:

[(1, 28869665), (5, 5773933), (11, 2624515), (55, 524903), (71, 406615), (355, 81323), (781, 36965), (3905, 7393)]