128678802

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{439}}^1\times {\mathrm{997}}^1$

素因数の和:1455

約数の個数: 48

約数和(自身を含む): 300358080

約数和(自身を除く): 171679278

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 439, 878, 997, 1317, 1994, 2634, 2991, 3073, 5982, 6146, 6979, 9219, 13958, 18438, 20937, 21511, 41874, 43022, 48853, 64533, 97706, 129066, 146559, 293118, 437683, 875366, 1313049, 2626098, 3063781, 6127562, 9191343, 18382686, 21446467, 42892934, 64339401, 128678802]

約数ペア:

[(1, 128678802), (2, 64339401), (3, 42892934), (6, 21446467), (7, 18382686), (14, 9191343), (21, 6127562), (42, 3063781), (49, 2626098), (98, 1313049), (147, 875366), (294, 437683), (439, 293118), (878, 146559), (997, 129066), (1317, 97706), (1994, 64533), (2634, 48853), (2991, 43022), (3073, 41874), (5982, 21511), (6146, 20937), (6979, 18438), (9219, 13958)]