309290248

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{8849}}^1$

素因数の和:9129

約数の個数: 32

約数和(自身を含む): 616491000

約数和(自身を除く): 307200752

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 257, 514, 1028, 2056, 4369, 8738, 8849, 17476, 17698, 34952, 35396, 70792, 150433, 300866, 601732, 1203464, 2274193, 4548386, 9096772, 18193544, 38661281, 77322562, 154645124, 309290248]

約数ペア:

[(1, 309290248), (2, 154645124), (4, 77322562), (8, 38661281), (17, 18193544), (34, 9096772), (68, 4548386), (136, 2274193), (257, 1203464), (514, 601732), (1028, 300866), (2056, 150433), (4369, 70792), (8738, 35396), (8849, 34952), (17476, 17698)]