138978274

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89203}}^1$

素因数の和:89265

約数の個数: 16

約数和(自身を含む): 224794080

約数和(自身を除く): 85815806

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 89203, 178406, 1694857, 3389714, 3657323, 7314646, 69489137, 138978274]

約数ペア:

[(1, 138978274), (2, 69489137), (19, 7314646), (38, 3657323), (41, 3389714), (82, 1694857), (779, 178406), (1558, 89203)]