81671570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{2777}}^1$

素因数の和:2974

約数の個数: 32

約数和(自身を含む): 156612528

約数和(自身を除く): 74940958

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 173, 346, 865, 1730, 2777, 2941, 5554, 5882, 13885, 14705, 27770, 29410, 47209, 94418, 236045, 472090, 480421, 960842, 2402105, 4804210, 8167157, 16334314, 40835785, 81671570]

約数ペア:

[(1, 81671570), (2, 40835785), (5, 16334314), (10, 8167157), (17, 4804210), (34, 2402105), (85, 960842), (170, 480421), (173, 472090), (346, 236045), (865, 94418), (1730, 47209), (2777, 29410), (2941, 27770), (5554, 14705), (5882, 13885)]