16646485

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 22325760

約数和(自身を除く): 5679275

約数列:

[1, 5, 17, 37, 67, 79, 85, 185, 335, 395, 629, 1139, 1343, 2479, 2923, 3145, 5293, 5695, 6715, 12395, 14615, 26465, 42143, 49691, 89981, 195841, 210715, 248455, 449905, 979205, 3329297, 16646485]

約数ペア:

[(1, 16646485), (5, 3329297), (17, 979205), (37, 449905), (67, 248455), (79, 210715), (85, 195841), (185, 89981), (335, 49691), (395, 42143), (629, 26465), (1139, 14615), (1343, 12395), (2479, 6715), (2923, 5695), (3145, 5293)]