64399195

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79999}}^1$

素因数の和:80034

約数の個数: 16

約数和(自身を含む): 92160000

約数和(自身を除く): 27760805

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 79999, 399995, 559993, 1839977, 2799965, 9199885, 12879839, 64399195]

約数ペア:

[(1, 64399195), (5, 12879839), (7, 9199885), (23, 2799965), (35, 1839977), (115, 559993), (161, 399995), (805, 79999)]