71520845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:893

約数の個数: 32

約数和(自身を含む): 99792000

約数和(自身を除く): 28271155

約数列:

[1, 5, 11, 19, 55, 89, 95, 209, 445, 769, 979, 1045, 1691, 3845, 4895, 8455, 8459, 14611, 18601, 42295, 68441, 73055, 93005, 160721, 342205, 752851, 803605, 1300379, 3764255, 6501895, 14304169, 71520845]

約数ペア:

[(1, 71520845), (5, 14304169), (11, 6501895), (19, 3764255), (55, 1300379), (89, 803605), (95, 752851), (209, 342205), (445, 160721), (769, 93005), (979, 73055), (1045, 68441), (1691, 42295), (3845, 18601), (4895, 14611), (8455, 8459)]