81698568

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 247968000

約数和(自身を除く): 166269432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 41, 42, 56, 58, 82, 84, 87, 116, 123, 164, 168, 174, 203, 232, 246, 287, 328, 348, 406, 409, 492, 574, 609, 696, 812, 818, 861, 984, 1148, 1189, 1218, 1227, 1624, 1636, 1722, 2296, 2378, 2436, 2454, 2863, 3272, 3444, 3567, 4756, 4872, 4908, 5726, 6888, 7134, 8323, 8589, 9512, 9816, 11452, 11861, 14268, 16646, 16769, 17178, 22904, 23722, 24969, 28536, 33292, 33538, 34356, 35583, 47444, 49938, 50307, 66584, 67076, 68712, 71166, 83027, 94888, 99876, 100614, 117383, 134152, 142332, 166054, 199752, 201228, 234766, 249081, 284664, 332108, 352149, 402456, 469532, 486301, 498162, 664216, 704298, 939064, 972602, 996324, 1408596, 1458903, 1945204, 1992648, 2817192, 2917806, 3404107, 3890408, 5835612, 6808214, 10212321, 11671224, 13616428, 20424642, 27232856, 40849284, 81698568]

約数ペア:

[(1, 81698568), (2, 40849284), (3, 27232856), (4, 20424642), (6, 13616428), (7, 11671224), (8, 10212321), (12, 6808214), (14, 5835612), (21, 3890408), (24, 3404107), (28, 2917806), (29, 2817192), (41, 1992648), (42, 1945204), (56, 1458903), (58, 1408596), (82, 996324), (84, 972602), (87, 939064), (116, 704298), (123, 664216), (164, 498162), (168, 486301), (174, 469532), (203, 402456), (232, 352149), (246, 332108), (287, 284664), (328, 249081), (348, 234766), (406, 201228), (409, 199752), (492, 166054), (574, 142332), (609, 134152), (696, 117383), (812, 100614), (818, 99876), (861, 94888), (984, 83027), (1148, 71166), (1189, 68712), (1218, 67076), (1227, 66584), (1624, 50307), (1636, 49938), (1722, 47444), (2296, 35583), (2378, 34356), (2436, 33538), (2454, 33292), (2863, 28536), (3272, 24969), (3444, 23722), (3567, 22904), (4756, 17178), (4872, 16769), (4908, 16646), (5726, 14268), (6888, 11861), (7134, 11452), (8323, 9816), (8589, 9512)]