81655336

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63397}}^1$

素因数の和:63433

約数の個数: 32

約数和(自身を含む): 182586240

約数和(自身を除く): 100930904

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 63397, 126794, 253588, 443779, 507176, 887558, 1458131, 1775116, 2916262, 3550232, 5832524, 10206917, 11665048, 20413834, 40827668, 81655336]

約数ペア:

[(1, 81655336), (2, 40827668), (4, 20413834), (7, 11665048), (8, 10206917), (14, 5832524), (23, 3550232), (28, 2916262), (46, 1775116), (56, 1458131), (92, 887558), (161, 507176), (184, 443779), (322, 253588), (644, 126794), (1288, 63397)]