201690643

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1549}}^1$

素因数の和:1675

約数の個数: 32

約数和(自身を含む): 267840000

約数和(自身を除く): 66149357

約数列:

[1, 7, 11, 19, 77, 89, 133, 209, 623, 979, 1463, 1549, 1691, 6853, 10843, 11837, 17039, 18601, 29431, 119273, 130207, 137861, 206017, 323741, 965027, 1516471, 2266187, 2619359, 10615297, 18335513, 28812949, 201690643]

約数ペア:

[(1, 201690643), (7, 28812949), (11, 18335513), (19, 10615297), (77, 2619359), (89, 2266187), (133, 1516471), (209, 965027), (623, 323741), (979, 206017), (1463, 137861), (1549, 130207), (1691, 119273), (6853, 29431), (10843, 18601), (11837, 17039)]