129442790

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{65707}}^1$

素因数の和:65911

約数の個数: 16

約数和(自身を含む): 234183312

約数和(自身を除く): 104740522

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 65707, 131414, 328535, 657070, 12944279, 25888558, 64721395, 129442790]

約数ペア:

[(1, 129442790), (2, 64721395), (5, 25888558), (10, 12944279), (197, 657070), (394, 328535), (985, 131414), (1970, 65707)]