311968615

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{1511}}^1$

素因数の和:1887

約数の個数: 32

約数和(自身を含む): 454616064

約数和(自身を除く): 142647449

約数列:

[1, 5, 7, 17, 35, 85, 119, 347, 595, 1511, 1735, 2429, 5899, 7555, 10577, 12145, 25687, 29495, 41293, 52885, 128435, 179809, 206465, 524317, 899045, 2621585, 3670219, 8913389, 18351095, 44566945, 62393723, 311968615]

約数ペア:

[(1, 311968615), (5, 62393723), (7, 44566945), (17, 18351095), (35, 8913389), (85, 3670219), (119, 2621585), (347, 899045), (595, 524317), (1511, 206465), (1735, 179809), (2429, 128435), (5899, 52885), (7555, 41293), (10577, 29495), (12145, 25687)]