31493988

素因数分解:

$2^2\times 3^3\times {\mathrm{331}}^1\times {\mathrm{881}}^1$

素因数の和:1225

約数の個数: 48

約数和(自身を含む): 81990720

約数和(自身を除く): 50496732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 331, 662, 881, 993, 1324, 1762, 1986, 2643, 2979, 3524, 3972, 5286, 5958, 7929, 8937, 10572, 11916, 15858, 17874, 23787, 31716, 35748, 47574, 95148, 291611, 583222, 874833, 1166444, 1749666, 2624499, 3499332, 5248998, 7873497, 10497996, 15746994, 31493988]

約数ペア:

[(1, 31493988), (2, 15746994), (3, 10497996), (4, 7873497), (6, 5248998), (9, 3499332), (12, 2624499), (18, 1749666), (27, 1166444), (36, 874833), (54, 583222), (108, 291611), (331, 95148), (662, 47574), (881, 35748), (993, 31716), (1324, 23787), (1762, 17874), (1986, 15858), (2643, 11916), (2979, 10572), (3524, 8937), (3972, 7929), (5286, 5958)]