81263308

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{479}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 167086080

約数和(自身を除く): 85822772

約数列:

[1, 2, 4, 7, 14, 28, 73, 83, 146, 166, 292, 332, 479, 511, 581, 958, 1022, 1162, 1916, 2044, 2324, 3353, 6059, 6706, 12118, 13412, 24236, 34967, 39757, 42413, 69934, 79514, 84826, 139868, 159028, 169652, 244769, 278299, 489538, 556598, 979076, 1113196, 2902261, 5804522, 11609044, 20315827, 40631654, 81263308]

約数ペア:

[(1, 81263308), (2, 40631654), (4, 20315827), (7, 11609044), (14, 5804522), (28, 2902261), (73, 1113196), (83, 979076), (146, 556598), (166, 489538), (292, 278299), (332, 244769), (479, 169652), (511, 159028), (581, 139868), (958, 84826), (1022, 79514), (1162, 69934), (1916, 42413), (2044, 39757), (2324, 34967), (3353, 24236), (6059, 13412), (6706, 12118)]