12972212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 26611200

約数和(自身を除く): 13638988

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 59, 76, 118, 209, 236, 263, 418, 526, 649, 836, 1052, 1121, 1298, 2242, 2596, 2893, 4484, 4997, 5786, 9994, 11572, 12331, 15517, 19988, 24662, 31034, 49324, 54967, 62068, 109934, 170687, 219868, 294823, 341374, 589646, 682748, 1179292, 3243053, 6486106, 12972212]

約数ペア:

[(1, 12972212), (2, 6486106), (4, 3243053), (11, 1179292), (19, 682748), (22, 589646), (38, 341374), (44, 294823), (59, 219868), (76, 170687), (118, 109934), (209, 62068), (236, 54967), (263, 49324), (418, 31034), (526, 24662), (649, 19988), (836, 15517), (1052, 12331), (1121, 11572), (1298, 9994), (2242, 5786), (2596, 4997), (2893, 4484)]