81047918

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{109229}}^1$

素因数の和:109291

約数の個数: 16

約数和(自身を含む): 141562080

約数和(自身を除く): 60514162

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 109229, 218458, 764603, 1529206, 5789137, 11578274, 40523959, 81047918]

約数ペア:

[(1, 81047918), (2, 40523959), (7, 11578274), (14, 5789137), (53, 1529206), (106, 764603), (371, 218458), (742, 109229)]