1990262015

素因数分解:

$5^1\times 7^1\times {\mathrm{2777}}^1\times {\mathrm{20477}}^1$

素因数の和:23266

約数の個数: 16

約数和(自身を含む): 2730618432

約数和(自身を除く): 740356417

約数列:

[1, 5, 7, 35, 2777, 13885, 19439, 20477, 97195, 102385, 143339, 716695, 56864629, 284323145, 398052403, 1990262015]

約数ペア:

[(1, 1990262015), (5, 398052403), (7, 284323145), (35, 56864629), (2777, 716695), (13885, 143339), (19439, 102385), (20477, 97195)]