138220306

素因数分解:

$2^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{44273}}^1$

素因数の和:44505

約数の個数: 16

約数和(自身を含む): 238017024

約数和(自身を除く): 99796718

約数列:

[1, 2, 7, 14, 223, 446, 1561, 3122, 44273, 88546, 309911, 619822, 9872879, 19745758, 69110153, 138220306]

約数ペア:

[(1, 138220306), (2, 69110153), (7, 19745758), (14, 9872879), (223, 619822), (446, 309911), (1561, 88546), (3122, 44273)]