138450431

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{166207}}^1$

素因数の和:166238

約数の個数: 12

約数和(自身を含む): 170529408

約数和(自身を除く): 32078977

約数列:

[1, 7, 17, 49, 119, 833, 166207, 1163449, 2825519, 8144143, 19778633, 138450431]

約数ペア:

[(1, 138450431), (7, 19778633), (17, 8144143), (49, 2825519), (119, 1163449), (833, 166207)]