123581276

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{467}}^1\times {\mathrm{727}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 267111936

約数和(自身を除く): 143530660

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 467, 727, 934, 1454, 1868, 2908, 3269, 5089, 6071, 6538, 9451, 10178, 12142, 13076, 18902, 20356, 24284, 37804, 42497, 66157, 84994, 132314, 169988, 264628, 339509, 679018, 1358036, 2376563, 4413617, 4753126, 8827234, 9506252, 17654468, 30895319, 61790638, 123581276]

約数ペア:

[(1, 123581276), (2, 61790638), (4, 30895319), (7, 17654468), (13, 9506252), (14, 8827234), (26, 4753126), (28, 4413617), (52, 2376563), (91, 1358036), (182, 679018), (364, 339509), (467, 264628), (727, 169988), (934, 132314), (1454, 84994), (1868, 66157), (2908, 42497), (3269, 37804), (5089, 24284), (6071, 20356), (6538, 18902), (9451, 13076), (10178, 12142)]