28291822

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:340

約数の個数: 32

約数和(自身を含む): 47124000

約数和(自身を除く): 18832178

約数列:

[1, 2, 13, 26, 67, 109, 134, 149, 218, 298, 871, 1417, 1742, 1937, 2834, 3874, 7303, 9983, 14606, 16241, 19966, 32482, 94939, 129779, 189878, 211133, 259558, 422266, 1088147, 2176294, 14145911, 28291822]

約数ペア:

[(1, 28291822), (2, 14145911), (13, 2176294), (26, 1088147), (67, 422266), (109, 259558), (134, 211133), (149, 189878), (218, 129779), (298, 94939), (871, 32482), (1417, 19966), (1742, 16241), (1937, 14606), (2834, 9983), (3874, 7303)]