247788272

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{3863}}^1$

素因数の和:4101

約数の個数: 40

約数和(自身を含む): 507884160

約数和(自身を除く): 260095888

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 211, 304, 422, 844, 1688, 3376, 3863, 4009, 7726, 8018, 15452, 16036, 30904, 32072, 61808, 64144, 73397, 146794, 293588, 587176, 815093, 1174352, 1630186, 3260372, 6520744, 13041488, 15486767, 30973534, 61947068, 123894136, 247788272]

約数ペア:

[(1, 247788272), (2, 123894136), (4, 61947068), (8, 30973534), (16, 15486767), (19, 13041488), (38, 6520744), (76, 3260372), (152, 1630186), (211, 1174352), (304, 815093), (422, 587176), (844, 293588), (1688, 146794), (3376, 73397), (3863, 64144), (4009, 61808), (7726, 32072), (8018, 30904), (15452, 16036)]