212451455

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1\times {\mathrm{1699}}^1$

素因数の和:2074

約数の個数: 16

約数和(自身を含む): 258876000

約数和(自身を除く): 46424545

約数列:

[1, 5, 89, 281, 445, 1405, 1699, 8495, 25009, 125045, 151211, 477419, 756055, 2387095, 42490291, 212451455]

約数ペア:

[(1, 212451455), (5, 42490291), (89, 2387095), (281, 756055), (445, 477419), (1405, 151211), (1699, 125045), (8495, 25009)]