206711491

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1\times {\mathrm{491}}^1$

素因数の和:1074

約数の個数: 16

約数和(自身を含む): 238993920

約数和(自身を除く): 32282429

約数列:

[1, 7, 137, 439, 491, 959, 3073, 3437, 60143, 67267, 215549, 421001, 470869, 1508843, 29530213, 206711491]

約数ペア:

[(1, 206711491), (7, 29530213), (137, 1508843), (439, 470869), (491, 421001), (959, 215549), (3073, 67267), (3437, 60143)]