128454284

素因数分解:

$2^2\times 7^2\times {\mathrm{655379}}^1$

素因数の和:655397

約数の個数: 18

約数和(自身を含む): 261496620

約数和(自身を除く): 133042336

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 655379, 1310758, 2621516, 4587653, 9175306, 18350612, 32113571, 64227142, 128454284]

約数ペア:

[(1, 128454284), (2, 64227142), (4, 32113571), (7, 18350612), (14, 9175306), (28, 4587653), (49, 2621516), (98, 1310758), (196, 655379)]