208048555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 308883456

約数和(自身を除く): 100834901

約数列:

[1, 5, 11, 13, 41, 47, 55, 65, 143, 151, 205, 235, 451, 517, 533, 611, 715, 755, 1661, 1927, 1963, 2255, 2585, 2665, 3055, 5863, 6191, 6721, 7097, 8305, 9635, 9815, 21197, 21593, 25051, 29315, 30955, 33605, 35485, 68101, 78067, 80483, 92261, 105985, 107965, 125255, 275561, 290977, 340505, 390335, 402415, 461305, 885313, 1014871, 1377805, 1454885, 3200747, 3782701, 4426565, 5074355, 16003735, 18913505, 41609711, 208048555]

約数ペア:

[(1, 208048555), (5, 41609711), (11, 18913505), (13, 16003735), (41, 5074355), (47, 4426565), (55, 3782701), (65, 3200747), (143, 1454885), (151, 1377805), (205, 1014871), (235, 885313), (451, 461305), (517, 402415), (533, 390335), (611, 340505), (715, 290977), (755, 275561), (1661, 125255), (1927, 107965), (1963, 105985), (2255, 92261), (2585, 80483), (2665, 78067), (3055, 68101), (5863, 35485), (6191, 33605), (6721, 30955), (7097, 29315), (8305, 25051), (9635, 21593), (9815, 21197)]