398901471694

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1429}}^1\times {\mathrm{12688513}}^1$

素因数の和:12689955

約数の個数: 16

約数和(自身を含む): 653204700720

約数和(自身を除く): 254303229026

約数列:

[1, 2, 11, 22, 1429, 2858, 15719, 31438, 12688513, 25377026, 139573643, 279147286, 18131885077, 36263770154, 199450735847, 398901471694]

約数ペア:

[(1, 398901471694), (2, 199450735847), (11, 36263770154), (22, 18131885077), (1429, 279147286), (2858, 139573643), (15719, 25377026), (31438, 12688513)]