66561275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12739}}^1$

素因数の和:12779

約数の個数: 24

約数和(自身を含む): 94785600

約数和(自身を除く): 28224325

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 12739, 63695, 140129, 242041, 318475, 700645, 1210205, 2662451, 3503225, 6051025, 13312255, 66561275]

約数ペア:

[(1, 66561275), (5, 13312255), (11, 6051025), (19, 3503225), (25, 2662451), (55, 1210205), (95, 700645), (209, 318475), (275, 242041), (475, 140129), (1045, 63695), (5225, 12739)]