199994284

素因数分解:

$2^2\times 7^2\times {\mathrm{1020379}}^1$

素因数の和:1020397

約数の個数: 18

約数和(自身を含む): 407131620

約数和(自身を除く): 207137336

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1020379, 2040758, 4081516, 7142653, 14285306, 28570612, 49998571, 99997142, 199994284]

約数ペア:

[(1, 199994284), (2, 99997142), (4, 49998571), (7, 28570612), (14, 14285306), (28, 7142653), (49, 4081516), (98, 2040758), (196, 1020379)]