78123518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{307}}^1$

素因数の和:632

約数の個数: 32

約数和(自身を含む): 131725440

約数和(自身を除く): 53601922

約数列:

[1, 2, 11, 22, 43, 86, 269, 307, 473, 538, 614, 946, 2959, 3377, 5918, 6754, 11567, 13201, 23134, 26402, 82583, 127237, 145211, 165166, 254474, 290422, 908413, 1816826, 3551069, 7102138, 39061759, 78123518]

約数ペア:

[(1, 78123518), (2, 39061759), (11, 7102138), (22, 3551069), (43, 1816826), (86, 908413), (269, 290422), (307, 254474), (473, 165166), (538, 145211), (614, 127237), (946, 82583), (2959, 26402), (3377, 23134), (5918, 13201), (6754, 11567)]