77989985

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1\times {\mathrm{569}}^1$

素因数の和:1000

約数の個数: 16

約数和(自身を含む): 95212800

約数和(自身を除く): 17222815

約数列:

[1, 5, 79, 347, 395, 569, 1735, 2845, 27413, 44951, 137065, 197443, 224755, 987215, 15597997, 77989985]

約数ペア:

[(1, 77989985), (5, 15597997), (79, 987215), (347, 224755), (395, 197443), (569, 137065), (1735, 44951), (2845, 27413)]