16939895

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 24281088

約数和(自身を除く): 7341193

約数列:

[1, 5, 7, 35, 37, 103, 127, 185, 259, 515, 635, 721, 889, 1295, 3605, 3811, 4445, 4699, 13081, 19055, 23495, 26677, 32893, 65405, 91567, 133385, 164465, 457835, 483997, 2419985, 3387979, 16939895]

約数ペア:

[(1, 16939895), (5, 3387979), (7, 2419985), (35, 483997), (37, 457835), (103, 164465), (127, 133385), (185, 91567), (259, 65405), (515, 32893), (635, 26677), (721, 23495), (889, 19055), (1295, 13081), (3605, 4699), (3811, 4445)]