31389886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{26921}}^1$

素因数の和:26987

約数の個数: 16

約数和(自身を含む): 52336368

約数和(自身を除く): 20946482

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 26921, 53842, 296131, 592262, 1426813, 2853626, 15694943, 31389886]

約数ペア:

[(1, 31389886), (2, 15694943), (11, 2853626), (22, 1426813), (53, 592262), (106, 296131), (583, 53842), (1166, 26921)]