87136985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{78857}}^1$

素因数の和:78892

約数の個数: 16

約数和(自身を含む): 119233296

約数和(自身を除く): 32096311

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 78857, 394285, 1025141, 1340569, 5125705, 6702845, 17427397, 87136985]

約数ペア:

[(1, 87136985), (5, 17427397), (13, 6702845), (17, 5125705), (65, 1340569), (85, 1025141), (221, 394285), (1105, 78857)]