861921214

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{19777}}^1$

素因数の和:20080

約数の個数: 32

約数和(自身を含む): 1617682176

約数和(自身を除く): 755760962

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 283, 566, 1981, 3113, 3962, 6226, 19777, 21791, 39554, 43582, 138439, 217547, 276878, 435094, 1522829, 3045658, 5596891, 11193782, 39178237, 61565801, 78356474, 123131602, 430960607, 861921214]

約数ペア:

[(1, 861921214), (2, 430960607), (7, 123131602), (11, 78356474), (14, 61565801), (22, 39178237), (77, 11193782), (154, 5596891), (283, 3045658), (566, 1522829), (1981, 435094), (3113, 276878), (3962, 217547), (6226, 138439), (19777, 43582), (21791, 39554)]