205638216

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2801}}^1$

素因数の和:2859

約数の個数: 128

約数和(自身を含む): 645580800

約数和(自身を除く): 439942584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 23, 24, 28, 38, 42, 46, 56, 57, 69, 76, 84, 92, 114, 133, 138, 152, 161, 168, 184, 228, 266, 276, 322, 399, 437, 456, 483, 532, 552, 644, 798, 874, 966, 1064, 1288, 1311, 1596, 1748, 1932, 2622, 2801, 3059, 3192, 3496, 3864, 5244, 5602, 6118, 8403, 9177, 10488, 11204, 12236, 16806, 18354, 19607, 22408, 24472, 33612, 36708, 39214, 53219, 58821, 64423, 67224, 73416, 78428, 106438, 117642, 128846, 156856, 159657, 193269, 212876, 235284, 257692, 319314, 372533, 386538, 425752, 450961, 470568, 515384, 638628, 745066, 773076, 901922, 1117599, 1224037, 1277256, 1352883, 1490132, 1546152, 1803844, 2235198, 2448074, 2705766, 2980264, 3607688, 3672111, 4470396, 4896148, 5411532, 7344222, 8568259, 8940792, 9792296, 10823064, 14688444, 17136518, 25704777, 29376888, 34273036, 51409554, 68546072, 102819108, 205638216]

約数ペア:

[(1, 205638216), (2, 102819108), (3, 68546072), (4, 51409554), (6, 34273036), (7, 29376888), (8, 25704777), (12, 17136518), (14, 14688444), (19, 10823064), (21, 9792296), (23, 8940792), (24, 8568259), (28, 7344222), (38, 5411532), (42, 4896148), (46, 4470396), (56, 3672111), (57, 3607688), (69, 2980264), (76, 2705766), (84, 2448074), (92, 2235198), (114, 1803844), (133, 1546152), (138, 1490132), (152, 1352883), (161, 1277256), (168, 1224037), (184, 1117599), (228, 901922), (266, 773076), (276, 745066), (322, 638628), (399, 515384), (437, 470568), (456, 450961), (483, 425752), (532, 386538), (552, 372533), (644, 319314), (798, 257692), (874, 235284), (966, 212876), (1064, 193269), (1288, 159657), (1311, 156856), (1596, 128846), (1748, 117642), (1932, 106438), (2622, 78428), (2801, 73416), (3059, 67224), (3192, 64423), (3496, 58821), (3864, 53219), (5244, 39214), (5602, 36708), (6118, 33612), (8403, 24472), (9177, 22408), (10488, 19607), (11204, 18354), (12236, 16806)]