281291024

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{81017}}^1$

素因数の和:81063

約数の個数: 40

約数和(自身を含む): 642958848

約数和(自身を除く): 361667824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 81017, 162034, 324068, 567119, 648136, 1134238, 1296272, 2268476, 2511527, 4536952, 5023054, 9073904, 10046108, 17580689, 20092216, 35161378, 40184432, 70322756, 140645512, 281291024]

約数ペア:

[(1, 281291024), (2, 140645512), (4, 70322756), (7, 40184432), (8, 35161378), (14, 20092216), (16, 17580689), (28, 10046108), (31, 9073904), (56, 5023054), (62, 4536952), (112, 2511527), (124, 2268476), (217, 1296272), (248, 1134238), (434, 648136), (496, 567119), (868, 324068), (1736, 162034), (3472, 81017)]