77920816

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{3061}}^1$

素因数の和:3149

約数の個数: 40

約数和(自身を含む): 158709584

約数和(自身を除く): 80788768

約数列:

[1, 2, 4, 8, 16, 37, 43, 74, 86, 148, 172, 296, 344, 592, 688, 1591, 3061, 3182, 6122, 6364, 12244, 12728, 24488, 25456, 48976, 113257, 131623, 226514, 263246, 453028, 526492, 906056, 1052984, 1812112, 2105968, 4870051, 9740102, 19480204, 38960408, 77920816]

約数ペア:

[(1, 77920816), (2, 38960408), (4, 19480204), (8, 9740102), (16, 4870051), (37, 2105968), (43, 1812112), (74, 1052984), (86, 906056), (148, 526492), (172, 453028), (296, 263246), (344, 226514), (592, 131623), (688, 113257), (1591, 48976), (3061, 25456), (3182, 24488), (6122, 12728), (6364, 12244)]