263225872

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{521}}^1$

素因数の和:896

約数の個数: 80

約数和(自身を含む): 630709632

約数和(自身を除く): 367483760

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 347, 364, 521, 694, 728, 1042, 1388, 1456, 2084, 2429, 2776, 3647, 4168, 4511, 4858, 5552, 6773, 7294, 8336, 9022, 9716, 13546, 14588, 18044, 19432, 27092, 29176, 31577, 36088, 38864, 47411, 54184, 58352, 63154, 72176, 94822, 108368, 126308, 180787, 189644, 252616, 361574, 379288, 505232, 723148, 758576, 1265509, 1446296, 2350231, 2531018, 2892592, 4700462, 5062036, 9400924, 10124072, 16451617, 18801848, 20248144, 32903234, 37603696, 65806468, 131612936, 263225872]

約数ペア:

[(1, 263225872), (2, 131612936), (4, 65806468), (7, 37603696), (8, 32903234), (13, 20248144), (14, 18801848), (16, 16451617), (26, 10124072), (28, 9400924), (52, 5062036), (56, 4700462), (91, 2892592), (104, 2531018), (112, 2350231), (182, 1446296), (208, 1265509), (347, 758576), (364, 723148), (521, 505232), (694, 379288), (728, 361574), (1042, 252616), (1388, 189644), (1456, 180787), (2084, 126308), (2429, 108368), (2776, 94822), (3647, 72176), (4168, 63154), (4511, 58352), (4858, 54184), (5552, 47411), (6773, 38864), (7294, 36088), (8336, 31577), (9022, 29176), (9716, 27092), (13546, 19432), (14588, 18044)]