81120172

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{125963}}^1$

素因数の和:125997

約数の個数: 24

約数和(自身を含む): 169295616

約数和(自身を除く): 88175444

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 125963, 251926, 503852, 881741, 1763482, 2897149, 3526964, 5794298, 11588596, 20280043, 40560086, 81120172]

約数ペア:

[(1, 81120172), (2, 40560086), (4, 20280043), (7, 11588596), (14, 5794298), (23, 3526964), (28, 2897149), (46, 1763482), (92, 881741), (161, 503852), (322, 251926), (644, 125963)]