81612464

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{221773}}^1$

素因数の和:221804

約数の個数: 20

約数和(自身を含む): 164999856

約数和(自身を除く): 83387392

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 221773, 443546, 887092, 1774184, 3548368, 5100779, 10201558, 20403116, 40806232, 81612464]

約数ペア:

[(1, 81612464), (2, 40806232), (4, 20403116), (8, 10201558), (16, 5100779), (23, 3548368), (46, 1774184), (92, 887092), (184, 443546), (368, 221773)]