205208048

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{40459}}^1$

素因数の和:40784

約数の個数: 20

約数和(自身を含む): 398854680

約数和(自身を除く): 193646632

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 5072, 40459, 80918, 161836, 323672, 647344, 12825503, 25651006, 51302012, 102604024, 205208048]

約数ペア:

[(1, 205208048), (2, 102604024), (4, 51302012), (8, 25651006), (16, 12825503), (317, 647344), (634, 323672), (1268, 161836), (2536, 80918), (5072, 40459)]