78009175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{191}}^1$

素因数の和:280

約数の個数: 36

約数和(自身を含む): 106386048

約数和(自身を除く): 28376873

約数列:

[1, 5, 17, 25, 31, 85, 155, 191, 425, 527, 775, 955, 961, 2635, 3247, 4775, 4805, 5921, 13175, 16235, 16337, 24025, 29605, 81175, 81685, 100657, 148025, 183551, 408425, 503285, 917755, 2516425, 3120367, 4588775, 15601835, 78009175]

約数ペア:

[(1, 78009175), (5, 15601835), (17, 4588775), (25, 3120367), (31, 2516425), (85, 917755), (155, 503285), (191, 408425), (425, 183551), (527, 148025), (775, 100657), (955, 81685), (961, 81175), (2635, 29605), (3247, 24025), (4775, 16337), (4805, 16235), (5921, 13175)]