171639890

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{33721}}^1$

素因数の和:34237

約数の個数: 16

約数和(自身を含む): 309567960

約数和(自身を除く): 137928070

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 5090, 33721, 67442, 168605, 337210, 17163989, 34327978, 85819945, 171639890]

約数ペア:

[(1, 171639890), (2, 85819945), (5, 34327978), (10, 17163989), (509, 337210), (1018, 168605), (2545, 67442), (5090, 33721)]