28979041

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:198

約数の個数: 32

約数和(自身を含む): 37318400

約数和(自身を除く): 8339359

約数列:

[1, 7, 13, 49, 67, 91, 97, 343, 469, 637, 679, 871, 1261, 3283, 4459, 4753, 6097, 6499, 8827, 22981, 33271, 42679, 45493, 61789, 84487, 298753, 318451, 432523, 591409, 2229157, 4139863, 28979041]

約数ペア:

[(1, 28979041), (7, 4139863), (13, 2229157), (49, 591409), (67, 432523), (91, 318451), (97, 298753), (343, 84487), (469, 61789), (637, 45493), (679, 42679), (871, 33271), (1261, 22981), (3283, 8827), (4459, 6499), (4753, 6097)]