157021886

素因数分解:

$2^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{17443}}^1$

素因数の和:18095

約数の個数: 16

約数和(自身を含む): 269614464

約数和(自身を除く): 112592578

約数列:

[1, 2, 7, 14, 643, 1286, 4501, 9002, 17443, 34886, 122101, 244202, 11215849, 22431698, 78510943, 157021886]

約数ペア:

[(1, 157021886), (2, 78510943), (7, 22431698), (14, 11215849), (643, 244202), (1286, 122101), (4501, 34886), (9002, 17443)]