81739378

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{2617}}^1$

素因数の和:2746

約数の個数: 32

約数和(自身を含む): 147780864

約数和(自身を除く): 66041486

約数列:

[1, 2, 7, 14, 23, 46, 97, 161, 194, 322, 679, 1358, 2231, 2617, 4462, 5234, 15617, 18319, 31234, 36638, 60191, 120382, 253849, 421337, 507698, 842674, 1776943, 3553886, 5838527, 11677054, 40869689, 81739378]

約数ペア:

[(1, 81739378), (2, 40869689), (7, 11677054), (14, 5838527), (23, 3553886), (46, 1776943), (97, 842674), (161, 507698), (194, 421337), (322, 253849), (679, 120382), (1358, 60191), (2231, 36638), (2617, 31234), (4462, 18319), (5234, 15617)]