78865264

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{35461}}^1$

素因数の和:35608

約数の個数: 20

約数和(自身を含む): 153905080

約数和(自身を除く): 75039816

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 35461, 70922, 141844, 283688, 567376, 4929079, 9858158, 19716316, 39432632, 78865264]

約数ペア:

[(1, 78865264), (2, 39432632), (4, 19716316), (8, 9858158), (16, 4929079), (139, 567376), (278, 283688), (556, 141844), (1112, 70922), (2224, 35461)]