28486820.000000000

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4159}}^1$

素因数の和:4215

約数の個数: 96

約数和(自身を含む): 391372800

約数和(自身を除く): 259665588

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 29, 39, 42, 52, 58, 78, 84, 87, 91, 116, 156, 174, 182, 203, 273, 348, 364, 377, 406, 546, 609, 754, 812, 1092, 1131, 1218, 1508, 2262, 2436, 2639, 4159, 4524, 5278, 7917, 8318, 10556, 12477, 15834, 16636, 24954, 29113, 31668, 49908, 54067, 58226, 87339, 108134, 116452, 120611, 162201, 174678, 216268, 241222, 324402, 349356, 361833, 378469, 482444, 648804, 723666, 756938, 844277, 1135407, 1447332, 1513876, 1567943, 1688554, 2270814, 2532831, 3135886, 3377108, 4541628, 4703829, 5065662, 6271772, 9407658, 10131324, 10975601, 18815316, 21951202, 32926803, 43902404, 65853606, 131707212]

約数ペア:

[(1, 131707212), (2, 65853606), (3, 43902404), (4, 32926803), (6, 21951202), (7, 18815316), (12, 10975601), (13, 10131324), (14, 9407658), (21, 6271772), (26, 5065662), (28, 4703829), (29, 4541628), (39, 3377108), (42, 3135886), (52, 2532831), (58, 2270814), (78, 1688554), (84, 1567943), (87, 1513876), (91, 1447332), (116, 1135407), (156, 844277), (174, 756938), (182, 723666), (203, 648804), (273, 482444), (348, 378469), (364, 361833), (377, 349356), (406, 324402), (546, 241222), (609, 216268), (754, 174678), (812, 162201), (1092, 120611), (1131, 116452), (1218, 108134), (1508, 87339), (2262, 58226), (2436, 54067), (2639, 49908), (4159, 31668), (4524, 29113), (5278, 24954), (7917, 16636), (8318, 15834), (10556, 12477)]