71391929

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:692

約数の個数: 16

約数和(自身を含む): 82790400

約数和(自身を除く): 11398471

約数列:

[1, 7, 139, 239, 307, 973, 1673, 2149, 33221, 42673, 73373, 232547, 298711, 513611, 10198847, 71391929]

約数ペア:

[(1, 71391929), (7, 10198847), (139, 513611), (239, 298711), (307, 232547), (973, 73373), (1673, 42673), (2149, 33221)]