128603902

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{399391}}^1$

素因数の和:399423

約数の個数: 16

約数和(自身を含む): 230049792

約数和(自身を除く): 101445890

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 399391, 798782, 2795737, 5591474, 9185993, 18371986, 64301951, 128603902]

約数ペア:

[(1, 128603902), (2, 64301951), (7, 18371986), (14, 9185993), (23, 5591474), (46, 2795737), (161, 798782), (322, 399391)]