128704310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{6991}}^1$

素因数の和:7268

約数の個数: 32

約数和(自身を含む): 265807872

約数和(自身を除く): 137103562

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 263, 526, 1315, 1841, 2630, 3682, 6991, 9205, 13982, 18410, 34955, 48937, 69910, 97874, 244685, 489370, 1838633, 3677266, 9193165, 12870431, 18386330, 25740862, 64352155, 128704310]

約数ペア:

[(1, 128704310), (2, 64352155), (5, 25740862), (7, 18386330), (10, 12870431), (14, 9193165), (35, 3677266), (70, 1838633), (263, 489370), (526, 244685), (1315, 97874), (1841, 69910), (2630, 48937), (3682, 34955), (6991, 18410), (9205, 13982)]