3963988

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2113}}^1$

素因数の和:2191

約数の個数: 24

約数和(自身を含む): 8050112

約数和(自身を除く): 4086124

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 2113, 4226, 8452, 14791, 29582, 59164, 141571, 283142, 566284, 990997, 1981994, 3963988]

約数ペア:

[(1, 3963988), (2, 1981994), (4, 990997), (7, 566284), (14, 283142), (28, 141571), (67, 59164), (134, 29582), (268, 14791), (469, 8452), (938, 4226), (1876, 2113)]