28711704

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 87552000

約数和(自身を除く): 58840296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 37, 42, 56, 62, 74, 84, 93, 111, 124, 148, 149, 168, 186, 217, 222, 248, 259, 296, 298, 372, 434, 444, 447, 518, 596, 651, 744, 777, 868, 888, 894, 1036, 1043, 1147, 1192, 1302, 1554, 1736, 1788, 2072, 2086, 2294, 2604, 3108, 3129, 3441, 3576, 4172, 4588, 4619, 5208, 5513, 6216, 6258, 6882, 8029, 8344, 9176, 9238, 11026, 12516, 13764, 13857, 16058, 16539, 18476, 22052, 24087, 25032, 27528, 27714, 32116, 32333, 33078, 36952, 38591, 44104, 48174, 55428, 64232, 64666, 66156, 77182, 96348, 96999, 110856, 115773, 129332, 132312, 154364, 170903, 192696, 193998, 231546, 258664, 308728, 341806, 387996, 463092, 512709, 683612, 775992, 926184, 1025418, 1196321, 1367224, 2050836, 2392642, 3588963, 4101672, 4785284, 7177926, 9570568, 14355852, 28711704]

約数ペア:

[(1, 28711704), (2, 14355852), (3, 9570568), (4, 7177926), (6, 4785284), (7, 4101672), (8, 3588963), (12, 2392642), (14, 2050836), (21, 1367224), (24, 1196321), (28, 1025418), (31, 926184), (37, 775992), (42, 683612), (56, 512709), (62, 463092), (74, 387996), (84, 341806), (93, 308728), (111, 258664), (124, 231546), (148, 193998), (149, 192696), (168, 170903), (186, 154364), (217, 132312), (222, 129332), (248, 115773), (259, 110856), (296, 96999), (298, 96348), (372, 77182), (434, 66156), (444, 64666), (447, 64232), (518, 55428), (596, 48174), (651, 44104), (744, 38591), (777, 36952), (868, 33078), (888, 32333), (894, 32116), (1036, 27714), (1043, 27528), (1147, 25032), (1192, 24087), (1302, 22052), (1554, 18476), (1736, 16539), (1788, 16058), (2072, 13857), (2086, 13764), (2294, 12516), (2604, 11026), (3108, 9238), (3129, 9176), (3441, 8344), (3576, 8029), (4172, 6882), (4588, 6258), (4619, 6216), (5208, 5513)]