28820484

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:346

約数の個数: 144

約数和(自身を含む): 93614976

約数和(自身を除く): 64794492

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 37, 42, 44, 63, 66, 74, 77, 84, 99, 111, 126, 132, 148, 154, 198, 222, 231, 252, 259, 281, 308, 333, 396, 407, 444, 462, 518, 562, 666, 693, 777, 814, 843, 924, 1036, 1124, 1221, 1332, 1386, 1554, 1628, 1686, 1967, 2331, 2442, 2529, 2772, 2849, 3091, 3108, 3372, 3663, 3934, 4662, 4884, 5058, 5698, 5901, 6182, 7326, 7868, 8547, 9273, 9324, 10116, 10397, 11396, 11802, 12364, 14652, 17094, 17703, 18546, 20794, 21637, 23604, 25641, 27819, 31191, 34188, 35406, 37092, 41588, 43274, 51282, 55638, 62382, 64911, 70812, 72779, 86548, 93573, 102564, 111276, 114367, 124764, 129822, 145558, 187146, 194733, 218337, 228734, 259644, 291116, 343101, 374292, 389466, 436674, 457468, 655011, 686202, 778932, 800569, 873348, 1029303, 1310022, 1372404, 1601138, 2058606, 2401707, 2620044, 3202276, 4117212, 4803414, 7205121, 9606828, 14410242, 28820484]

約数ペア:

[(1, 28820484), (2, 14410242), (3, 9606828), (4, 7205121), (6, 4803414), (7, 4117212), (9, 3202276), (11, 2620044), (12, 2401707), (14, 2058606), (18, 1601138), (21, 1372404), (22, 1310022), (28, 1029303), (33, 873348), (36, 800569), (37, 778932), (42, 686202), (44, 655011), (63, 457468), (66, 436674), (74, 389466), (77, 374292), (84, 343101), (99, 291116), (111, 259644), (126, 228734), (132, 218337), (148, 194733), (154, 187146), (198, 145558), (222, 129822), (231, 124764), (252, 114367), (259, 111276), (281, 102564), (308, 93573), (333, 86548), (396, 72779), (407, 70812), (444, 64911), (462, 62382), (518, 55638), (562, 51282), (666, 43274), (693, 41588), (777, 37092), (814, 35406), (843, 34188), (924, 31191), (1036, 27819), (1124, 25641), (1221, 23604), (1332, 21637), (1386, 20794), (1554, 18546), (1628, 17703), (1686, 17094), (1967, 14652), (2331, 12364), (2442, 11802), (2529, 11396), (2772, 10397), (2849, 10116), (3091, 9324), (3108, 9273), (3372, 8547), (3663, 7868), (3934, 7326), (4662, 6182), (4884, 5901), (5058, 5698)]