211701415

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1\times {\mathrm{1283}}^1$

素因数の和:1890

約数の個数: 16

約数和(自身を含む): 258885216

約数和(自身を除く): 47183801

約数列:

[1, 5, 61, 305, 541, 1283, 2705, 6415, 33001, 78263, 165005, 391315, 694103, 3470515, 42340283, 211701415]

約数ペア:

[(1, 211701415), (5, 42340283), (61, 3470515), (305, 694103), (541, 391315), (1283, 165005), (2705, 78263), (6415, 33001)]