2015505245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{721111}}^1$

素因数の和:721172

約数の個数: 16

約数和(自身を含む): 2665229952

約数和(自身を除く): 649724707

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 721111, 3605555, 9374443, 31007773, 46872215, 155038865, 403101049, 2015505245]

約数ペア:

[(1, 2015505245), (5, 403101049), (13, 155038865), (43, 46872215), (65, 31007773), (215, 9374443), (559, 3605555), (2795, 721111)]