128043985

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1\times {\mathrm{839}}^1$

素因数の和:1208

約数の個数: 16

約数和(自身を含む): 155675520

約数和(自身を除く): 27631535

約数列:

[1, 5, 131, 233, 655, 839, 1165, 4195, 30523, 109909, 152615, 195487, 549545, 977435, 25608797, 128043985]

約数ペア:

[(1, 128043985), (5, 25608797), (131, 977435), (233, 549545), (655, 195487), (839, 152615), (1165, 109909), (4195, 30523)]