2021707445

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{1949}}^1$

素因数の和:2213

約数の個数: 32

約数和(自身を含む): 2611440000

約数和(自身を除く): 589732555

約数列:

[1, 5, 19, 61, 95, 179, 305, 895, 1159, 1949, 3401, 5795, 9745, 10919, 17005, 37031, 54595, 118889, 185155, 207461, 348871, 594445, 1037305, 1744355, 2258891, 6628549, 11294455, 21281131, 33142745, 106405655, 404341489, 2021707445]

約数ペア:

[(1, 2021707445), (5, 404341489), (19, 106405655), (61, 33142745), (95, 21281131), (179, 11294455), (305, 6628549), (895, 2258891), (1159, 1744355), (1949, 1037305), (3401, 594445), (5795, 348871), (9745, 207461), (10919, 185155), (17005, 118889), (37031, 54595)]