206520916

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{171529}}^1$

素因数の和:171583

約数の個数: 24

約数和(自身を含む): 422649920

約数和(自身を除く): 216129004

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 171529, 343058, 686116, 1200703, 2401406, 4802812, 7375747, 14751494, 29502988, 51630229, 103260458, 206520916]

約数ペア:

[(1, 206520916), (2, 103260458), (4, 51630229), (7, 29502988), (14, 14751494), (28, 7375747), (43, 4802812), (86, 2401406), (172, 1200703), (301, 686116), (602, 343058), (1204, 171529)]