261661510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{10667}}^1$

素因数の和:10908

約数の個数: 32

約数和(自身を含む): 516160512

約数和(自身を除く): 254499002

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 223, 446, 1115, 2230, 2453, 4906, 10667, 12265, 21334, 24530, 53335, 106670, 117337, 234674, 586685, 1173370, 2378741, 4757482, 11893705, 23787410, 26166151, 52332302, 130830755, 261661510]

約数ペア:

[(1, 261661510), (2, 130830755), (5, 52332302), (10, 26166151), (11, 23787410), (22, 11893705), (55, 4757482), (110, 2378741), (223, 1173370), (446, 586685), (1115, 234674), (2230, 117337), (2453, 106670), (4906, 53335), (10667, 24530), (12265, 21334)]