205451504

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{40507}}^1$

素因数の和:40832

約数の個数: 20

約数和(自身を含む): 399327864

約数和(自身を除く): 193876360

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 5072, 40507, 81014, 162028, 324056, 648112, 12840719, 25681438, 51362876, 102725752, 205451504]

約数ペア:

[(1, 205451504), (2, 102725752), (4, 51362876), (8, 25681438), (16, 12840719), (317, 648112), (634, 324056), (1268, 162028), (2536, 81014), (5072, 40507)]