213888978

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1871}}^1$

素因数の和:1984

約数の個数: 64

約数和(自身を含む): 498700800

約数和(自身を除く): 284811822

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 73, 87, 146, 174, 219, 261, 438, 522, 657, 783, 1314, 1566, 1871, 1971, 2117, 3742, 3942, 4234, 5613, 6351, 11226, 12702, 16839, 19053, 33678, 38106, 50517, 54259, 57159, 101034, 108518, 114318, 136583, 162777, 273166, 325554, 409749, 488331, 819498, 976662, 1229247, 1464993, 2458494, 2929986, 3687741, 3960907, 7375482, 7921814, 11882721, 23765442, 35648163, 71296326, 106944489, 213888978]

約数ペア:

[(1, 213888978), (2, 106944489), (3, 71296326), (6, 35648163), (9, 23765442), (18, 11882721), (27, 7921814), (29, 7375482), (54, 3960907), (58, 3687741), (73, 2929986), (87, 2458494), (146, 1464993), (174, 1229247), (219, 976662), (261, 819498), (438, 488331), (522, 409749), (657, 325554), (783, 273166), (1314, 162777), (1566, 136583), (1871, 114318), (1971, 108518), (2117, 101034), (3742, 57159), (3942, 54259), (4234, 50517), (5613, 38106), (6351, 33678), (11226, 19053), (12702, 16839)]