31357224

素因数分解:

$2^3\times 3^2\times {\mathrm{491}}^1\times {\mathrm{887}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 85194720

約数和(自身を除く): 53837496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 491, 887, 982, 1473, 1774, 1964, 2661, 2946, 3548, 3928, 4419, 5322, 5892, 7096, 7983, 8838, 10644, 11784, 15966, 17676, 21288, 31932, 35352, 63864, 435517, 871034, 1306551, 1742068, 2613102, 3484136, 3919653, 5226204, 7839306, 10452408, 15678612, 31357224]

約数ペア:

[(1, 31357224), (2, 15678612), (3, 10452408), (4, 7839306), (6, 5226204), (8, 3919653), (9, 3484136), (12, 2613102), (18, 1742068), (24, 1306551), (36, 871034), (72, 435517), (491, 63864), (887, 35352), (982, 31932), (1473, 21288), (1774, 17676), (1964, 15966), (2661, 11784), (2946, 10644), (3548, 8838), (3928, 7983), (4419, 7096), (5322, 5892)]