28716156

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:320

約数の個数: 108

約数和(自身を含む): 85979712

約数和(自身を除く): 57263556

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 73, 84, 98, 126, 146, 147, 196, 219, 223, 252, 292, 294, 438, 441, 446, 511, 588, 657, 669, 876, 882, 892, 1022, 1314, 1338, 1533, 1561, 1764, 2007, 2044, 2628, 2676, 3066, 3122, 3577, 4014, 4599, 4683, 6132, 6244, 7154, 8028, 9198, 9366, 10731, 10927, 14049, 14308, 16279, 18396, 18732, 21462, 21854, 28098, 32193, 32558, 32781, 42924, 43708, 48837, 56196, 64386, 65116, 65562, 97674, 98343, 113953, 128772, 131124, 146511, 195348, 196686, 227906, 293022, 341859, 393372, 455812, 586044, 683718, 797671, 1025577, 1367436, 1595342, 2051154, 2393013, 3190684, 4102308, 4786026, 7179039, 9572052, 14358078, 28716156]

約数ペア:

[(1, 28716156), (2, 14358078), (3, 9572052), (4, 7179039), (6, 4786026), (7, 4102308), (9, 3190684), (12, 2393013), (14, 2051154), (18, 1595342), (21, 1367436), (28, 1025577), (36, 797671), (42, 683718), (49, 586044), (63, 455812), (73, 393372), (84, 341859), (98, 293022), (126, 227906), (146, 196686), (147, 195348), (196, 146511), (219, 131124), (223, 128772), (252, 113953), (292, 98343), (294, 97674), (438, 65562), (441, 65116), (446, 64386), (511, 56196), (588, 48837), (657, 43708), (669, 42924), (876, 32781), (882, 32558), (892, 32193), (1022, 28098), (1314, 21854), (1338, 21462), (1533, 18732), (1561, 18396), (1764, 16279), (2007, 14308), (2044, 14049), (2628, 10927), (2676, 10731), (3066, 9366), (3122, 9198), (3577, 8028), (4014, 7154), (4599, 6244), (4683, 6132)]