12239406

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:297

約数の個数: 48

約数和(自身を含む): 27507168

約数和(自身を除く): 15267762

約数列:

[1, 2, 3, 6, 9, 18, 61, 71, 122, 142, 157, 183, 213, 314, 366, 426, 471, 549, 639, 942, 1098, 1278, 1413, 2826, 4331, 8662, 9577, 11147, 12993, 19154, 22294, 25986, 28731, 33441, 38979, 57462, 66882, 77958, 86193, 100323, 172386, 200646, 679967, 1359934, 2039901, 4079802, 6119703, 12239406]

約数ペア:

[(1, 12239406), (2, 6119703), (3, 4079802), (6, 2039901), (9, 1359934), (18, 679967), (61, 200646), (71, 172386), (122, 100323), (142, 86193), (157, 77958), (183, 66882), (213, 57462), (314, 38979), (366, 33441), (426, 28731), (471, 25986), (549, 22294), (639, 19154), (942, 12993), (1098, 11147), (1278, 9577), (1413, 8662), (2826, 4331)]