2686915

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{997}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 4095792

約数和(自身を除く): 1408877

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 997, 2695, 4985, 6979, 10967, 34895, 48853, 54835, 76769, 244265, 383845, 537383, 2686915]

約数ペア:

[(1, 2686915), (5, 537383), (7, 383845), (11, 244265), (35, 76769), (49, 54835), (55, 48853), (77, 34895), (245, 10967), (385, 6979), (539, 4985), (997, 2695)]