2001105218

素因数分解:

$2^1\times 7^3\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 3578265600

約数和(自身を除く): 1577160382

約数列:

[1, 2, 7, 14, 49, 98, 103, 127, 206, 223, 254, 343, 446, 686, 721, 889, 1442, 1561, 1778, 3122, 5047, 6223, 10094, 10927, 12446, 13081, 21854, 22969, 26162, 28321, 35329, 43561, 45938, 56642, 70658, 76489, 87122, 91567, 152978, 160783, 183134, 198247, 321566, 396494, 640969, 1125481, 1281938, 1387729, 2250962, 2775458, 2917063, 4486783, 5834126, 7878367, 8973566, 9714103, 15756734, 19428206, 20419441, 40838882, 142936087, 285872174, 1000552609, 2001105218]

約数ペア:

[(1, 2001105218), (2, 1000552609), (7, 285872174), (14, 142936087), (49, 40838882), (98, 20419441), (103, 19428206), (127, 15756734), (206, 9714103), (223, 8973566), (254, 7878367), (343, 5834126), (446, 4486783), (686, 2917063), (721, 2775458), (889, 2250962), (1442, 1387729), (1561, 1281938), (1778, 1125481), (3122, 640969), (5047, 396494), (6223, 321566), (10094, 198247), (10927, 183134), (12446, 160783), (13081, 152978), (21854, 91567), (22969, 87122), (26162, 76489), (28321, 70658), (35329, 56642), (43561, 45938)]