30998516

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{277}}^2$

素因数の和:659

約数の個数: 18

約数和(自身を含む): 54982998

約数和(自身を除く): 23984482

約数列:

[1, 2, 4, 101, 202, 277, 404, 554, 1108, 27977, 55954, 76729, 111908, 153458, 306916, 7749629, 15499258, 30998516]

約数ペア:

[(1, 30998516), (2, 15499258), (4, 7749629), (101, 306916), (202, 153458), (277, 111908), (404, 76729), (554, 55954), (1108, 27977)]