17931485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 8195875

約数列:

[1, 5, 11, 13, 31, 55, 65, 143, 155, 341, 403, 715, 809, 1705, 2015, 4045, 4433, 8899, 10517, 22165, 25079, 44495, 52585, 115687, 125395, 275869, 326027, 578435, 1379345, 1630135, 3586297, 17931485]

約数ペア:

[(1, 17931485), (5, 3586297), (11, 1630135), (13, 1379345), (31, 578435), (55, 326027), (65, 275869), (143, 125395), (155, 115687), (341, 52585), (403, 44495), (715, 25079), (809, 22165), (1705, 10517), (2015, 8899), (4045, 4433)]