28920888

素因数分解:

$2^3\times 3^8\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:78

約数の個数: 144

約数和(自身を含む): 88569000

約数和(自身を除く): 59648112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 29, 36, 38, 54, 57, 58, 72, 76, 81, 87, 108, 114, 116, 152, 162, 171, 174, 216, 228, 232, 243, 261, 324, 342, 348, 456, 486, 513, 522, 551, 648, 684, 696, 729, 783, 972, 1026, 1044, 1102, 1368, 1458, 1539, 1566, 1653, 1944, 2052, 2088, 2187, 2204, 2349, 2916, 3078, 3132, 3306, 4104, 4374, 4408, 4617, 4698, 4959, 5832, 6156, 6264, 6561, 6612, 7047, 8748, 9234, 9396, 9918, 12312, 13122, 13224, 13851, 14094, 14877, 17496, 18468, 18792, 19836, 21141, 26244, 27702, 28188, 29754, 36936, 39672, 41553, 42282, 44631, 52488, 55404, 56376, 59508, 63423, 83106, 84564, 89262, 110808, 119016, 124659, 126846, 133893, 166212, 169128, 178524, 190269, 249318, 253692, 267786, 332424, 357048, 380538, 401679, 498636, 507384, 535572, 761076, 803358, 997272, 1071144, 1205037, 1522152, 1606716, 2410074, 3213432, 3615111, 4820148, 7230222, 9640296, 14460444, 28920888]

約数ペア:

[(1, 28920888), (2, 14460444), (3, 9640296), (4, 7230222), (6, 4820148), (8, 3615111), (9, 3213432), (12, 2410074), (18, 1606716), (19, 1522152), (24, 1205037), (27, 1071144), (29, 997272), (36, 803358), (38, 761076), (54, 535572), (57, 507384), (58, 498636), (72, 401679), (76, 380538), (81, 357048), (87, 332424), (108, 267786), (114, 253692), (116, 249318), (152, 190269), (162, 178524), (171, 169128), (174, 166212), (216, 133893), (228, 126846), (232, 124659), (243, 119016), (261, 110808), (324, 89262), (342, 84564), (348, 83106), (456, 63423), (486, 59508), (513, 56376), (522, 55404), (551, 52488), (648, 44631), (684, 42282), (696, 41553), (729, 39672), (783, 36936), (972, 29754), (1026, 28188), (1044, 27702), (1102, 26244), (1368, 21141), (1458, 19836), (1539, 18792), (1566, 18468), (1653, 17496), (1944, 14877), (2052, 14094), (2088, 13851), (2187, 13224), (2204, 13122), (2349, 12312), (2916, 9918), (3078, 9396), (3132, 9234), (3306, 8748), (4104, 7047), (4374, 6612), (4408, 6561), (4617, 6264), (4698, 6156), (4959, 5832)]