64874992

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2621}}^1$

素因数の和:2666

約数の個数: 80

約数和(自身を含む): 163864512

約数和(自身を除く): 98989520

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 91, 104, 112, 119, 136, 182, 208, 221, 238, 272, 364, 442, 476, 728, 884, 952, 1456, 1547, 1768, 1904, 2621, 3094, 3536, 5242, 6188, 10484, 12376, 18347, 20968, 24752, 34073, 36694, 41936, 44557, 68146, 73388, 89114, 136292, 146776, 178228, 238511, 272584, 293552, 311899, 356456, 477022, 545168, 579241, 623798, 712912, 954044, 1158482, 1247596, 1908088, 2316964, 2495192, 3816176, 4054687, 4633928, 4990384, 8109374, 9267856, 16218748, 32437496, 64874992]

約数ペア:

[(1, 64874992), (2, 32437496), (4, 16218748), (7, 9267856), (8, 8109374), (13, 4990384), (14, 4633928), (16, 4054687), (17, 3816176), (26, 2495192), (28, 2316964), (34, 1908088), (52, 1247596), (56, 1158482), (68, 954044), (91, 712912), (104, 623798), (112, 579241), (119, 545168), (136, 477022), (182, 356456), (208, 311899), (221, 293552), (238, 272584), (272, 238511), (364, 178228), (442, 146776), (476, 136292), (728, 89114), (884, 73388), (952, 68146), (1456, 44557), (1547, 41936), (1768, 36694), (1904, 34073), (2621, 24752), (3094, 20968), (3536, 18347), (5242, 12376), (6188, 10484)]