31779856

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{977}}^1$

素因数の和:1111

約数の個数: 40

約数和(自身を含む): 65486880

約数和(自身を除く): 33707024

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 107, 152, 214, 304, 428, 856, 977, 1712, 1954, 2033, 3908, 4066, 7816, 8132, 15632, 16264, 18563, 32528, 37126, 74252, 104539, 148504, 209078, 297008, 418156, 836312, 1672624, 1986241, 3972482, 7944964, 15889928, 31779856]

約数ペア:

[(1, 31779856), (2, 15889928), (4, 7944964), (8, 3972482), (16, 1986241), (19, 1672624), (38, 836312), (76, 418156), (107, 297008), (152, 209078), (214, 148504), (304, 104539), (428, 74252), (856, 37126), (977, 32528), (1712, 18563), (1954, 16264), (2033, 15632), (3908, 8132), (4066, 7816)]