217420042

素因数分解:

$2^1\times 7^1\times {\mathrm{1373}}^1\times {\mathrm{11311}}^1$

素因数の和:12693

約数の個数: 16

約数和(自身を含む): 373024512

約数和(自身を除く): 155604470

約数列:

[1, 2, 7, 14, 1373, 2746, 9611, 11311, 19222, 22622, 79177, 158354, 15530003, 31060006, 108710021, 217420042]

約数ペア:

[(1, 217420042), (2, 108710021), (7, 31060006), (14, 15530003), (1373, 158354), (2746, 79177), (9611, 22622), (11311, 19222)]