2018665985

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{293}}^1\times {\mathrm{461}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 2880096912

約数和(自身を除く): 861430927

約数列:

[1, 5, 7, 35, 49, 61, 245, 293, 305, 427, 461, 1465, 2051, 2135, 2305, 2989, 3227, 10255, 14357, 14945, 16135, 17873, 22589, 28121, 71785, 89365, 112945, 125111, 135073, 140605, 196847, 625555, 675365, 875777, 945511, 984235, 1377929, 4378885, 4727555, 6618577, 6889645, 8239453, 33092885, 41197265, 57676171, 288380855, 403733197, 2018665985]

約数ペア:

[(1, 2018665985), (5, 403733197), (7, 288380855), (35, 57676171), (49, 41197265), (61, 33092885), (245, 8239453), (293, 6889645), (305, 6618577), (427, 4727555), (461, 4378885), (1465, 1377929), (2051, 984235), (2135, 945511), (2305, 875777), (2989, 675365), (3227, 625555), (10255, 196847), (14357, 140605), (14945, 135073), (16135, 125111), (17873, 112945), (22589, 89365), (28121, 71785)]