145221818

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{280351}}^1$

素因数の和:280397

約数の個数: 16

約数和(自身を含む): 255681024

約数和(自身を除く): 110459206

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 280351, 560702, 1962457, 3924914, 10372987, 20745974, 72610909, 145221818]

約数ペア:

[(1, 145221818), (2, 72610909), (7, 20745974), (14, 10372987), (37, 3924914), (74, 1962457), (259, 560702), (518, 280351)]