81381184

素因数分解:

$2^6\times {\mathrm{409}}^1\times {\mathrm{3109}}^1$

素因数の和:3530

約数の個数: 28

約数和(自身を含む): 161937700

約数和(自身を除く): 80556516

約数列:

[1, 2, 4, 8, 16, 32, 64, 409, 818, 1636, 3109, 3272, 6218, 6544, 12436, 13088, 24872, 26176, 49744, 99488, 198976, 1271581, 2543162, 5086324, 10172648, 20345296, 40690592, 81381184]

約数ペア:

[(1, 81381184), (2, 40690592), (4, 20345296), (8, 10172648), (16, 5086324), (32, 2543162), (64, 1271581), (409, 198976), (818, 99488), (1636, 49744), (3109, 26176), (3272, 24872), (6218, 13088), (6544, 12436)]