128373266

素因数分解:

$2^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{53003}}^1$

素因数の和:53185

約数の個数: 16

約数和(自身を含む): 221344704

約数和(自身を除く): 92971438

約数列:

[1, 2, 7, 14, 173, 346, 1211, 2422, 53003, 106006, 371021, 742042, 9169519, 18339038, 64186633, 128373266]

約数ペア:

[(1, 128373266), (2, 64186633), (7, 18339038), (14, 9169519), (173, 742042), (346, 371021), (1211, 106006), (2422, 53003)]