199985890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1538353}}^1$

素因数の和:1538373

約数の個数: 16

約数和(自身を含む): 387665208

約数和(自身を除く): 187679318

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1538353, 3076706, 7691765, 15383530, 19998589, 39997178, 99992945, 199985890]

約数ペア:

[(1, 199985890), (2, 99992945), (5, 39997178), (10, 19998589), (13, 15383530), (26, 7691765), (65, 3076706), (130, 1538353)]