28688955

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2341}}^1$

素因数の和:2411

約数の個数: 32

約数和(自身を含む): 49463040

約数和(自身を除く): 20774085

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 2341, 2451, 4085, 7023, 11705, 12255, 35115, 44479, 100663, 133437, 222395, 301989, 503315, 667185, 1509945, 1912597, 5737791, 9562985, 28688955]

約数ペア:

[(1, 28688955), (3, 9562985), (5, 5737791), (15, 1912597), (19, 1509945), (43, 667185), (57, 503315), (95, 301989), (129, 222395), (215, 133437), (285, 100663), (645, 44479), (817, 35115), (2341, 12255), (2451, 11705), (4085, 7023)]