28007012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{20533}}^1$

素因数の和:20579

約数の個数: 24

約数和(自身を含む): 55195392

約数和(自身を除く): 27188380

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 20533, 41066, 82132, 225863, 451726, 636523, 903452, 1273046, 2546092, 7001753, 14003506, 28007012]

約数ペア:

[(1, 28007012), (2, 14003506), (4, 7001753), (11, 2546092), (22, 1273046), (31, 903452), (44, 636523), (62, 451726), (124, 225863), (341, 82132), (682, 41066), (1364, 20533)]