187664981

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{5227}}^1$

素因数の和:5480

約数の個数: 16

約数和(自身を含む): 224845824

約数和(自身を除く): 37180843

約数列:

[1, 7, 23, 161, 223, 1561, 5129, 5227, 35903, 36589, 120221, 841547, 1165621, 8159347, 26809283, 187664981]

約数ペア:

[(1, 187664981), (7, 26809283), (23, 8159347), (161, 1165621), (223, 841547), (1561, 120221), (5129, 36589), (5227, 35903)]