399670446

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{9515963}}^1$

素因数の和:9515975

約数の個数: 16

約数和(自身を含む): 913532544

約数和(自身を除く): 513862098

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 9515963, 19031926, 28547889, 57095778, 66611741, 133223482, 199835223, 399670446]

約数ペア:

[(1, 399670446), (2, 199835223), (3, 133223482), (6, 66611741), (7, 57095778), (14, 28547889), (21, 19031926), (42, 9515963)]