12728485

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4723}}^1$

素因数の和:4753

約数の個数: 24

約数和(自身を含む): 19387296

約数和(自身を除く): 6658811

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 4723, 23615, 33061, 51953, 165305, 231427, 259765, 363671, 1157135, 1818355, 2545697, 12728485]

約数ペア:

[(1, 12728485), (5, 2545697), (7, 1818355), (11, 1157135), (35, 363671), (49, 259765), (55, 231427), (77, 165305), (245, 51953), (385, 33061), (539, 23615), (2695, 4723)]