205696315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{541}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 279724032

約数和(自身を除く): 74027717

約数列:

[1, 5, 11, 31, 55, 155, 223, 341, 541, 1115, 1705, 2453, 2705, 5951, 6913, 12265, 16771, 29755, 34565, 76043, 83855, 120643, 184481, 380215, 603215, 922405, 1327073, 3739933, 6635365, 18699665, 41139263, 205696315]

約数ペア:

[(1, 205696315), (5, 41139263), (11, 18699665), (31, 6635365), (55, 3739933), (155, 1327073), (223, 922405), (341, 603215), (541, 380215), (1115, 184481), (1705, 120643), (2453, 83855), (2705, 76043), (5951, 34565), (6913, 29755), (12265, 16771)]