28873572

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:357

約数の個数: 96

約数和(自身を含む): 83956992

約数和(自身を除く): 55083420

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 137, 156, 182, 193, 273, 274, 364, 386, 411, 546, 548, 579, 772, 822, 959, 1092, 1158, 1351, 1644, 1781, 1918, 2316, 2509, 2702, 2877, 3562, 3836, 4053, 5018, 5343, 5404, 5754, 7124, 7527, 8106, 10036, 10686, 11508, 12467, 15054, 16212, 17563, 21372, 24934, 26441, 30108, 35126, 37401, 49868, 52689, 52882, 70252, 74802, 79323, 105378, 105764, 149604, 158646, 185087, 210756, 317292, 343733, 370174, 555261, 687466, 740348, 1031199, 1110522, 1374932, 2062398, 2221044, 2406131, 4124796, 4812262, 7218393, 9624524, 14436786, 28873572]

約数ペア:

[(1, 28873572), (2, 14436786), (3, 9624524), (4, 7218393), (6, 4812262), (7, 4124796), (12, 2406131), (13, 2221044), (14, 2062398), (21, 1374932), (26, 1110522), (28, 1031199), (39, 740348), (42, 687466), (52, 555261), (78, 370174), (84, 343733), (91, 317292), (137, 210756), (156, 185087), (182, 158646), (193, 149604), (273, 105764), (274, 105378), (364, 79323), (386, 74802), (411, 70252), (546, 52882), (548, 52689), (579, 49868), (772, 37401), (822, 35126), (959, 30108), (1092, 26441), (1158, 24934), (1351, 21372), (1644, 17563), (1781, 16212), (1918, 15054), (2316, 12467), (2509, 11508), (2702, 10686), (2877, 10036), (3562, 8106), (3836, 7527), (4053, 7124), (5018, 5754), (5343, 5404)]