1780147117

素因数分解:

$7^2\times {\mathrm{89}}^1\times {\mathrm{408197}}^1$

素因数の和:408300

約数の個数: 12

約数和(自身を含む): 2094055740

約数和(自身を除く): 313908623

約数列:

[1, 7, 49, 89, 623, 4361, 408197, 2857379, 20001653, 36329533, 254306731, 1780147117]

約数ペア:

[(1, 1780147117), (7, 254306731), (49, 36329533), (89, 20001653), (623, 2857379), (4361, 408197)]