81317902

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{55621}}^1$

素因数の和:55683

約数の個数: 16

約数和(自身を含む): 132157872

約数和(自身を除く): 50839970

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 55621, 111242, 945557, 1891114, 2391703, 4783406, 40658951, 81317902]

約数ペア:

[(1, 81317902), (2, 40658951), (17, 4783406), (34, 2391703), (43, 1891114), (86, 945557), (731, 111242), (1462, 55621)]