287998846

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1\times {\mathrm{367}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 462620160

約数和(自身を除く): 174621314

約数列:

[1, 2, 19, 38, 107, 193, 214, 367, 386, 734, 2033, 3667, 4066, 6973, 7334, 13946, 20651, 39269, 41302, 70831, 78538, 141662, 392369, 746111, 784738, 1345789, 1492222, 2691578, 7578917, 15157834, 143999423, 287998846]

約数ペア:

[(1, 287998846), (2, 143999423), (19, 15157834), (38, 7578917), (107, 2691578), (193, 1492222), (214, 1345789), (367, 784738), (386, 746111), (734, 392369), (2033, 141662), (3667, 78538), (4066, 70831), (6973, 41302), (7334, 39269), (13946, 20651)]