1971090931390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{28158441877}}^1$

素因数の和:28158441891

約数の個数: 16

約数和(自身を含む): 4054815630432

約数和(自身を除く): 2083724699042

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 28158441877, 56316883754, 140792209385, 197109093139, 281584418770, 394218186278, 985545465695, 1971090931390]

約数ペア:

[(1, 1971090931390), (2, 985545465695), (5, 394218186278), (7, 281584418770), (10, 197109093139), (14, 140792209385), (35, 56316883754), (70, 28158441877)]