128513902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{19937}}^1$

素因数の和:20243

約数の個数: 16

約数和(自身を含む): 211023792

約数和(自身を除く): 82509890

約数列:

[1, 2, 11, 22, 293, 586, 3223, 6446, 19937, 39874, 219307, 438614, 5841541, 11683082, 64256951, 128513902]

約数ペア:

[(1, 128513902), (2, 64256951), (11, 11683082), (22, 5841541), (293, 438614), (586, 219307), (3223, 39874), (6446, 19937)]