68157904

素因数分解:

$2^4\times {\mathrm{1999}}^1\times {\mathrm{2131}}^1$

素因数の和:4138

約数の個数: 20

約数和(自身を含む): 132184000

約数和(自身を除く): 64026096

約数列:

[1, 2, 4, 8, 16, 1999, 2131, 3998, 4262, 7996, 8524, 15992, 17048, 31984, 34096, 4259869, 8519738, 17039476, 34078952, 68157904]

約数ペア:

[(1, 68157904), (2, 34078952), (4, 17039476), (8, 8519738), (16, 4259869), (1999, 34096), (2131, 31984), (3998, 17048), (4262, 15992), (7996, 8524)]