220193771

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{10243}}^1$

素因数の和:10370

約数の個数: 16

約数和(自身を含む): 261590784

約数和(自身を除く): 41397013

約数列:

[1, 7, 37, 83, 259, 581, 3071, 10243, 21497, 71701, 378991, 850169, 2652937, 5951183, 31456253, 220193771]

約数ペア:

[(1, 220193771), (7, 31456253), (37, 5951183), (83, 2652937), (259, 850169), (581, 378991), (3071, 71701), (10243, 21497)]