2012547978

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{2789}}^1$

素因数の和:2913

約数の個数: 128

約数和(自身を含む): 5399654400

約数和(自身を除く): 3387106422

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 54, 63, 69, 83, 126, 138, 161, 166, 189, 207, 249, 322, 378, 414, 483, 498, 581, 621, 747, 966, 1162, 1242, 1449, 1494, 1743, 1909, 2241, 2789, 2898, 3486, 3818, 4347, 4482, 5229, 5578, 5727, 8367, 8694, 10458, 11454, 13363, 15687, 16734, 17181, 19523, 25101, 26726, 31374, 34362, 39046, 40089, 50202, 51543, 58569, 64147, 75303, 80178, 103086, 117138, 120267, 128294, 150606, 175707, 192441, 231487, 240534, 351414, 360801, 384882, 449029, 462974, 527121, 577323, 694461, 721602, 898058, 1054242, 1154646, 1347087, 1388922, 1620409, 1731969, 2083383, 2694174, 3240818, 3463938, 4041261, 4166766, 4861227, 5324201, 6250149, 8082522, 9722454, 10648402, 12123783, 12500298, 14583681, 15972603, 24247566, 29167362, 31945206, 37269407, 43751043, 47917809, 74538814, 87502086, 95835618, 111808221, 143753427, 223616442, 287506854, 335424663, 670849326, 1006273989, 2012547978]

約数ペア:

[(1, 2012547978), (2, 1006273989), (3, 670849326), (6, 335424663), (7, 287506854), (9, 223616442), (14, 143753427), (18, 111808221), (21, 95835618), (23, 87502086), (27, 74538814), (42, 47917809), (46, 43751043), (54, 37269407), (63, 31945206), (69, 29167362), (83, 24247566), (126, 15972603), (138, 14583681), (161, 12500298), (166, 12123783), (189, 10648402), (207, 9722454), (249, 8082522), (322, 6250149), (378, 5324201), (414, 4861227), (483, 4166766), (498, 4041261), (581, 3463938), (621, 3240818), (747, 2694174), (966, 2083383), (1162, 1731969), (1242, 1620409), (1449, 1388922), (1494, 1347087), (1743, 1154646), (1909, 1054242), (2241, 898058), (2789, 721602), (2898, 694461), (3486, 577323), (3818, 527121), (4347, 462974), (4482, 449029), (5229, 384882), (5578, 360801), (5727, 351414), (8367, 240534), (8694, 231487), (10458, 192441), (11454, 175707), (13363, 150606), (15687, 128294), (16734, 120267), (17181, 117138), (19523, 103086), (25101, 80178), (26726, 75303), (31374, 64147), (34362, 58569), (39046, 51543), (40089, 50202)]