81188408

素因数分解:

$2^3\times 7^1\times {\mathrm{1123}}^1\times {\mathrm{1291}}^1$

素因数の和:2427

約数の個数: 32

約数和(自身を含む): 174264960

約数和(自身を除く): 93076552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1123, 1291, 2246, 2582, 4492, 5164, 7861, 8984, 9037, 10328, 15722, 18074, 31444, 36148, 62888, 72296, 1449793, 2899586, 5799172, 10148551, 11598344, 20297102, 40594204, 81188408]

約数ペア:

[(1, 81188408), (2, 40594204), (4, 20297102), (7, 11598344), (8, 10148551), (14, 5799172), (28, 2899586), (56, 1449793), (1123, 72296), (1291, 62888), (2246, 36148), (2582, 31444), (4492, 18074), (5164, 15722), (7861, 10328), (8984, 9037)]