28704305

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 40981248

約数和(自身を除く): 12276943

約数列:

[1, 5, 7, 35, 41, 83, 205, 241, 287, 415, 581, 1205, 1435, 1687, 2905, 3403, 8435, 9881, 17015, 20003, 23821, 49405, 69167, 100015, 119105, 140021, 345835, 700105, 820123, 4100615, 5740861, 28704305]

約数ペア:

[(1, 28704305), (5, 5740861), (7, 4100615), (35, 820123), (41, 700105), (83, 345835), (205, 140021), (241, 119105), (287, 100015), (415, 69167), (581, 49405), (1205, 23821), (1435, 20003), (1687, 17015), (2905, 9881), (3403, 8435)]