64810885

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{16223}}^1$

素因数の和:16292

約数の個数: 16

約数和(自身を含む): 84105216

約数和(自身を除く): 19294331

約数列:

[1, 5, 17, 47, 85, 235, 799, 3995, 16223, 81115, 275791, 762481, 1378955, 3812405, 12962177, 64810885]

約数ペア:

[(1, 64810885), (5, 12962177), (17, 3812405), (47, 1378955), (85, 762481), (235, 275791), (799, 81115), (3995, 16223)]