66938128

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{10433}}^1$

素因数の和:10842

約数の個数: 20

約数和(自身を含む): 130028508

約数和(自身を除く): 63090380

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3208, 6416, 10433, 20866, 41732, 83464, 166928, 4183633, 8367266, 16734532, 33469064, 66938128]

約数ペア:

[(1, 66938128), (2, 33469064), (4, 16734532), (8, 8367266), (16, 4183633), (401, 166928), (802, 83464), (1604, 41732), (3208, 20866), (6416, 10433)]