663223540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4737311}}^1$

素因数の和:4737327

約数の個数: 24

約数和(自身を含む): 1591736832

約数和(自身を除く): 928513292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4737311, 9474622, 18949244, 23686555, 33161177, 47373110, 66322354, 94746220, 132644708, 165805885, 331611770, 663223540]

約数ペア:

[(1, 663223540), (2, 331611770), (4, 165805885), (5, 132644708), (7, 94746220), (10, 66322354), (14, 47373110), (20, 33161177), (28, 23686555), (35, 18949244), (70, 9474622), (140, 4737311)]