81245688

素因数分解:

$2^3\times 3^1\times {\mathrm{251}}^1\times {\mathrm{13487}}^1$

素因数の和:13747

約数の個数: 32

約数和(自身を含む): 203938560

約数和(自身を除く): 122692872

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 251, 502, 753, 1004, 1506, 2008, 3012, 6024, 13487, 26974, 40461, 53948, 80922, 107896, 161844, 323688, 3385237, 6770474, 10155711, 13540948, 20311422, 27081896, 40622844, 81245688]

約数ペア:

[(1, 81245688), (2, 40622844), (3, 27081896), (4, 20311422), (6, 13540948), (8, 10155711), (12, 6770474), (24, 3385237), (251, 323688), (502, 161844), (753, 107896), (1004, 80922), (1506, 53948), (2008, 40461), (3012, 26974), (6024, 13487)]