128461294

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 217720224

約数和(自身を除く): 89258930

約数列:

[1, 2, 13, 26, 53, 71, 101, 106, 142, 169, 202, 338, 689, 923, 1313, 1378, 1846, 2626, 3763, 5353, 7171, 7526, 8957, 10706, 11999, 14342, 17069, 17914, 23998, 34138, 48919, 69589, 93223, 97838, 139178, 186446, 380063, 635947, 760126, 904657, 1211899, 1271894, 1809314, 2423798, 4940819, 9881638, 64230647, 128461294]

約数ペア:

[(1, 128461294), (2, 64230647), (13, 9881638), (26, 4940819), (53, 2423798), (71, 1809314), (101, 1271894), (106, 1211899), (142, 904657), (169, 760126), (202, 635947), (338, 380063), (689, 186446), (923, 139178), (1313, 97838), (1378, 93223), (1846, 69589), (2626, 48919), (3763, 34138), (5353, 23998), (7171, 17914), (7526, 17069), (8957, 14342), (10706, 11999)]