261635568

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{76771}}^1$

素因数の和:76853

約数の個数: 40

約数和(自身を含む): 685420416

約数和(自身を除く): 423784848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 142, 213, 284, 426, 568, 852, 1136, 1704, 3408, 76771, 153542, 230313, 307084, 460626, 614168, 921252, 1228336, 1842504, 3685008, 5450741, 10901482, 16352223, 21802964, 32704446, 43605928, 65408892, 87211856, 130817784, 261635568]

約数ペア:

[(1, 261635568), (2, 130817784), (3, 87211856), (4, 65408892), (6, 43605928), (8, 32704446), (12, 21802964), (16, 16352223), (24, 10901482), (48, 5450741), (71, 3685008), (142, 1842504), (213, 1228336), (284, 921252), (426, 614168), (568, 460626), (852, 307084), (1136, 230313), (1704, 153542), (3408, 76771)]