245815544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{5779}}^1$

素因数の和:6207

約数の個数: 32

約数和(自身を含む): 497658000

約数和(自身を除く): 251842456

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 409, 818, 1636, 3272, 5317, 5779, 10634, 11558, 21268, 23116, 42536, 46232, 75127, 150254, 300508, 601016, 2363611, 4727222, 9454444, 18908888, 30726943, 61453886, 122907772, 245815544]

約数ペア:

[(1, 245815544), (2, 122907772), (4, 61453886), (8, 30726943), (13, 18908888), (26, 9454444), (52, 4727222), (104, 2363611), (409, 601016), (818, 300508), (1636, 150254), (3272, 75127), (5317, 46232), (5779, 42536), (10634, 23116), (11558, 21268)]