158221007

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{3463}}^1$

素因数の和:3638

約数の個数: 16

約数和(自身を含む): 185559552

約数和(自身を除く): 27338545

約数列:

[1, 7, 61, 107, 427, 749, 3463, 6527, 24241, 45689, 211243, 370541, 1478701, 2593787, 22603001, 158221007]

約数ペア:

[(1, 158221007), (7, 22603001), (61, 2593787), (107, 1478701), (427, 370541), (749, 211243), (3463, 45689), (6527, 24241)]