156798416

素因数分解:

$2^4\times {\mathrm{487}}^1\times {\mathrm{20123}}^1$

素因数の和:20618

約数の個数: 20

約数和(自身を含む): 304435872

約数和(自身を除く): 147637456

約数列:

[1, 2, 4, 8, 16, 487, 974, 1948, 3896, 7792, 20123, 40246, 80492, 160984, 321968, 9799901, 19599802, 39199604, 78399208, 156798416]

約数ペア:

[(1, 156798416), (2, 78399208), (4, 39199604), (8, 19599802), (16, 9799901), (487, 321968), (974, 160984), (1948, 80492), (3896, 40246), (7792, 20123)]