155890406

素因数分解:

$2^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{26449}}^1$

素因数の和:26879

約数の個数: 16

約数和(自身を含む): 267885600

約数和(自身を除く): 111995194

約数列:

[1, 2, 7, 14, 421, 842, 2947, 5894, 26449, 52898, 185143, 370286, 11135029, 22270058, 77945203, 155890406]

約数ペア:

[(1, 155890406), (2, 77945203), (7, 22270058), (14, 11135029), (421, 370286), (842, 185143), (2947, 52898), (5894, 26449)]