289392370

素因数分解:

$2^1\times 5^1\times {\mathrm{1597}}^1\times {\mathrm{18121}}^1$

素因数の和:19725

約数の個数: 16

約数和(自身を含む): 521261208

約数和(自身を除く): 231868838

約数列:

[1, 2, 5, 10, 1597, 3194, 7985, 15970, 18121, 36242, 90605, 181210, 28939237, 57878474, 144696185, 289392370]

約数ペア:

[(1, 289392370), (2, 144696185), (5, 57878474), (10, 28939237), (1597, 181210), (3194, 90605), (7985, 36242), (15970, 18121)]