279665878

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 471699360

約数和(自身を除く): 192033482

約数列:

[1, 2, 17, 23, 34, 46, 109, 193, 218, 289, 386, 391, 578, 782, 1853, 2507, 3281, 3706, 4439, 5014, 6562, 6647, 8878, 13294, 21037, 31501, 42074, 42619, 55777, 63002, 75463, 85238, 111554, 150926, 357629, 483851, 715258, 724523, 967702, 1282871, 1449046, 2565742, 6079693, 8225467, 12159386, 16450934, 139832939, 279665878]

約数ペア:

[(1, 279665878), (2, 139832939), (17, 16450934), (23, 12159386), (34, 8225467), (46, 6079693), (109, 2565742), (193, 1449046), (218, 1282871), (289, 967702), (386, 724523), (391, 715258), (578, 483851), (782, 357629), (1853, 150926), (2507, 111554), (3281, 85238), (3706, 75463), (4439, 63002), (5014, 55777), (6562, 42619), (6647, 42074), (8878, 31501), (13294, 21037)]