7218310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{311}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 14287104

約数和(自身を除く): 7068794

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 211, 311, 422, 622, 1055, 1555, 2110, 2321, 3110, 3421, 4642, 6842, 11605, 17105, 23210, 34210, 65621, 131242, 328105, 656210, 721831, 1443662, 3609155, 7218310]

約数ペア:

[(1, 7218310), (2, 3609155), (5, 1443662), (10, 721831), (11, 656210), (22, 328105), (55, 131242), (110, 65621), (211, 34210), (311, 23210), (422, 17105), (622, 11605), (1055, 6842), (1555, 4642), (2110, 3421), (2321, 3110)]