28303145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^2\times {\mathrm{97}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 37513224

約数和(自身を除く): 9210079

約数列:

[1, 5, 13, 65, 67, 97, 335, 485, 871, 1261, 4355, 4489, 6305, 6499, 22445, 32495, 58357, 84487, 291785, 422435, 435433, 2177165, 5660629, 28303145]

約数ペア:

[(1, 28303145), (5, 5660629), (13, 2177165), (65, 435433), (67, 422435), (97, 291785), (335, 84487), (485, 58357), (871, 32495), (1261, 22445), (4355, 6499), (4489, 6305)]