31405784

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1931}}^1$

素因数の和:2063

約数の個数: 32

約数和(自身を含む): 62596800

約数和(自身を除く): 31191016

約数列:

[1, 2, 4, 8, 19, 38, 76, 107, 152, 214, 428, 856, 1931, 2033, 3862, 4066, 7724, 8132, 15448, 16264, 36689, 73378, 146756, 206617, 293512, 413234, 826468, 1652936, 3925723, 7851446, 15702892, 31405784]

約数ペア:

[(1, 31405784), (2, 15702892), (4, 7851446), (8, 3925723), (19, 1652936), (38, 826468), (76, 413234), (107, 293512), (152, 206617), (214, 146756), (428, 73378), (856, 36689), (1931, 16264), (2033, 15448), (3862, 8132), (4066, 7724)]