81891838

素因数分解:

$2^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{11447}}^1$

素因数の和:11536

約数の個数: 24

約数和(自身を含む): 144862992

約数和(自身を除く): 62971154

約数列:

[1, 2, 7, 14, 49, 73, 98, 146, 511, 1022, 3577, 7154, 11447, 22894, 80129, 160258, 560903, 835631, 1121806, 1671262, 5849417, 11698834, 40945919, 81891838]

約数ペア:

[(1, 81891838), (2, 40945919), (7, 11698834), (14, 5849417), (49, 1671262), (73, 1121806), (98, 835631), (146, 560903), (511, 160258), (1022, 80129), (3577, 22894), (7154, 11447)]