31678488

素因数分解:

$2^3\times 3^2\times {\mathrm{223}}^1\times {\mathrm{1973}}^1$

素因数の和:2208

約数の個数: 48

約数和(自身を含む): 86224320

約数和(自身を除く): 54545832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 223, 446, 669, 892, 1338, 1784, 1973, 2007, 2676, 3946, 4014, 5352, 5919, 7892, 8028, 11838, 15784, 16056, 17757, 23676, 35514, 47352, 71028, 142056, 439979, 879958, 1319937, 1759916, 2639874, 3519832, 3959811, 5279748, 7919622, 10559496, 15839244, 31678488]

約数ペア:

[(1, 31678488), (2, 15839244), (3, 10559496), (4, 7919622), (6, 5279748), (8, 3959811), (9, 3519832), (12, 2639874), (18, 1759916), (24, 1319937), (36, 879958), (72, 439979), (223, 142056), (446, 71028), (669, 47352), (892, 35514), (1338, 23676), (1784, 17757), (1973, 16056), (2007, 15784), (2676, 11838), (3946, 8028), (4014, 7892), (5352, 5919)]