245681008

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{4729}}^1$

素因数の和:4945

約数の個数: 40

約数和(自身を含む): 506753280

約数和(自身を除く): 261072272

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 191, 272, 382, 764, 1528, 3056, 3247, 4729, 6494, 9458, 12988, 18916, 25976, 37832, 51952, 75664, 80393, 160786, 321572, 643144, 903239, 1286288, 1806478, 3612956, 7225912, 14451824, 15355063, 30710126, 61420252, 122840504, 245681008]

約数ペア:

[(1, 245681008), (2, 122840504), (4, 61420252), (8, 30710126), (16, 15355063), (17, 14451824), (34, 7225912), (68, 3612956), (136, 1806478), (191, 1286288), (272, 903239), (382, 643144), (764, 321572), (1528, 160786), (3056, 80393), (3247, 75664), (4729, 51952), (6494, 37832), (9458, 25976), (12988, 18916)]