28389715

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{719}}^1$

素因数の和:926

約数の個数: 16

約数和(自身を含む): 34992000

約数和(自身を除く): 6602285

約数列:

[1, 5, 53, 149, 265, 719, 745, 3595, 7897, 38107, 39485, 107131, 190535, 535655, 5677943, 28389715]

約数ペア:

[(1, 28389715), (5, 5677943), (53, 535655), (149, 190535), (265, 107131), (719, 39485), (745, 38107), (3595, 7897)]