78889395

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2953}}^1$

素因数の和:3111

約数の個数: 32

約数和(自身を含む): 136971072

約数和(自身を除く): 58081677

約数列:

[1, 3, 5, 13, 15, 39, 65, 137, 195, 411, 685, 1781, 2055, 2953, 5343, 8859, 8905, 14765, 26715, 38389, 44295, 115167, 191945, 404561, 575835, 1213683, 2022805, 5259293, 6068415, 15777879, 26296465, 78889395]

約数ペア:

[(1, 78889395), (3, 26296465), (5, 15777879), (13, 6068415), (15, 5259293), (39, 2022805), (65, 1213683), (137, 575835), (195, 404561), (411, 191945), (685, 115167), (1781, 44295), (2055, 38389), (2953, 26715), (5343, 14765), (8859, 8905)]