131428535

素因数分解:

$5^1\times 7^2\times {\mathrm{536443}}^1$

素因数の和:536462

約数の個数: 12

約数和(自身を含む): 183463848

約数和(自身を除く): 52035313

約数列:

[1, 5, 7, 35, 49, 245, 536443, 2682215, 3755101, 18775505, 26285707, 131428535]

約数ペア:

[(1, 131428535), (5, 26285707), (7, 18775505), (35, 3755101), (49, 2682215), (245, 536443)]