391405966

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{4793}}^1$

素因数の和:5128

約数の個数: 32

約数和(自身を含む): 708744960

約数和(自身を除く): 317338994

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 307, 614, 2149, 4298, 4793, 5833, 9586, 11666, 33551, 40831, 67102, 81662, 91067, 182134, 637469, 1274938, 1471451, 2942902, 10300157, 20600314, 27957569, 55915138, 195702983, 391405966]

約数ペア:

[(1, 391405966), (2, 195702983), (7, 55915138), (14, 27957569), (19, 20600314), (38, 10300157), (133, 2942902), (266, 1471451), (307, 1274938), (614, 637469), (2149, 182134), (4298, 91067), (4793, 81662), (5833, 67102), (9586, 40831), (11666, 33551)]