199903543

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{433}}^1\times {\mathrm{653}}^1$

素因数の和:1194

約数の個数: 16

約数和(自身を含む): 231610176

約数和(自身を除く): 31706633

約数列:

[1, 7, 101, 433, 653, 707, 3031, 4571, 43733, 65953, 282749, 306131, 461671, 1979243, 28557649, 199903543]

約数ペア:

[(1, 199903543), (7, 28557649), (101, 1979243), (433, 461671), (653, 306131), (707, 282749), (3031, 65953), (4571, 43733)]