206877979

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{8117}}^1$

素因数の和:8466

約数の個数: 16

約数和(自身を含む): 258736896

約数和(自身を除く): 51858917

約数列:

[1, 7, 11, 77, 331, 2317, 3641, 8117, 25487, 56819, 89287, 625009, 2686727, 18807089, 29553997, 206877979]

約数ペア:

[(1, 206877979), (7, 29553997), (11, 18807089), (77, 2686727), (331, 625009), (2317, 89287), (3641, 56819), (8117, 25487)]