131428178

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{128599}}^1$

素因数の和:128681

約数の個数: 16

約数和(自身を含む): 228393600

約数和(自身を除く): 96965422

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 128599, 257198, 900193, 1800386, 9387727, 18775454, 65714089, 131428178]

約数ペア:

[(1, 131428178), (2, 65714089), (7, 18775454), (14, 9387727), (73, 1800386), (146, 900193), (511, 257198), (1022, 128599)]