129398612

素因数分解:

$2^2\times 7^2\times {\mathrm{660197}}^1$

素因数の和:660215

約数の個数: 18

約数和(自身を含む): 263419002

約数和(自身を除く): 134020390

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 660197, 1320394, 2640788, 4621379, 9242758, 18485516, 32349653, 64699306, 129398612]

約数ペア:

[(1, 129398612), (2, 64699306), (4, 32349653), (7, 18485516), (14, 9242758), (28, 4621379), (49, 2640788), (98, 1320394), (196, 660197)]