28182345

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 51217920

約数和(自身を除く): 23035575

約数列:

[1, 3, 5, 15, 17, 29, 37, 51, 85, 87, 103, 111, 145, 185, 255, 309, 435, 493, 515, 555, 629, 1073, 1479, 1545, 1751, 1887, 2465, 2987, 3145, 3219, 3811, 5253, 5365, 7395, 8755, 8961, 9435, 11433, 14935, 16095, 18241, 19055, 26265, 44805, 50779, 54723, 57165, 64787, 91205, 110519, 152337, 194361, 253895, 273615, 323935, 331557, 552595, 761685, 971805, 1657785, 1878823, 5636469, 9394115, 28182345]

約数ペア:

[(1, 28182345), (3, 9394115), (5, 5636469), (15, 1878823), (17, 1657785), (29, 971805), (37, 761685), (51, 552595), (85, 331557), (87, 323935), (103, 273615), (111, 253895), (145, 194361), (185, 152337), (255, 110519), (309, 91205), (435, 64787), (493, 57165), (515, 54723), (555, 50779), (629, 44805), (1073, 26265), (1479, 19055), (1545, 18241), (1751, 16095), (1887, 14935), (2465, 11433), (2987, 9435), (3145, 8961), (3219, 8755), (3811, 7395), (5253, 5365)]