2109449872

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{415901}}^1$

素因数の和:416226

約数の個数: 20

約数和(自身を含む): 4099961916

約数和(自身を除く): 1990512044

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 5072, 415901, 831802, 1663604, 3327208, 6654416, 131840617, 263681234, 527362468, 1054724936, 2109449872]

約数ペア:

[(1, 2109449872), (2, 1054724936), (4, 527362468), (8, 263681234), (16, 131840617), (317, 6654416), (634, 3327208), (1268, 1663604), (2536, 831802), (5072, 415901)]