2021876318

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{81547}}^1$

素因数の和:81597

約数の個数: 48

約数和(自身を含む): 4016075904

約数和(自身を除く): 1994199586

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 49, 77, 98, 154, 161, 253, 322, 506, 539, 1078, 1127, 1771, 2254, 3542, 12397, 24794, 81547, 163094, 570829, 897017, 1141658, 1794034, 1875581, 3751162, 3995803, 6279119, 7991606, 12558238, 13129067, 20631391, 26258134, 41262782, 43953833, 87907666, 91903469, 144419737, 183806938, 288839474, 1010938159, 2021876318]

約数ペア:

[(1, 2021876318), (2, 1010938159), (7, 288839474), (11, 183806938), (14, 144419737), (22, 91903469), (23, 87907666), (46, 43953833), (49, 41262782), (77, 26258134), (98, 20631391), (154, 13129067), (161, 12558238), (253, 7991606), (322, 6279119), (506, 3995803), (539, 3751162), (1078, 1875581), (1127, 1794034), (1771, 1141658), (2254, 897017), (3542, 570829), (12397, 163094), (24794, 81547)]