81539615

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{3221}}^1$

素因数の和:3370

約数の個数: 16

約数和(自身を含む): 100681056

約数和(自身を除く): 19141441

約数列:

[1, 5, 61, 83, 305, 415, 3221, 5063, 16105, 25315, 196481, 267343, 982405, 1336715, 16307923, 81539615]

約数ペア:

[(1, 81539615), (5, 16307923), (61, 1336715), (83, 982405), (305, 267343), (415, 196481), (3221, 25315), (5063, 16105)]