81709432

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63439}}^1$

素因数の和:63475

約数の個数: 32

約数和(自身を含む): 182707200

約数和(自身を除く): 100997768

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 63439, 126878, 253756, 444073, 507512, 888146, 1459097, 1776292, 2918194, 3552584, 5836388, 10213679, 11672776, 20427358, 40854716, 81709432]

約数ペア:

[(1, 81709432), (2, 40854716), (4, 20427358), (7, 11672776), (8, 10213679), (14, 5836388), (23, 3552584), (28, 2918194), (46, 1776292), (56, 1459097), (92, 888146), (161, 507512), (184, 444073), (322, 253756), (644, 126878), (1288, 63439)]