644927279

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 722304000

約数和(自身を除く): 77376721

約数列:

[1, 19, 37, 47, 131, 149, 703, 893, 1739, 2489, 2831, 4847, 5513, 6157, 7003, 19519, 33041, 92093, 104747, 116983, 133057, 227809, 259111, 370861, 722203, 917393, 4328371, 4923109, 13721857, 17430467, 33943541, 644927279]

約数ペア:

[(1, 644927279), (19, 33943541), (37, 17430467), (47, 13721857), (131, 4923109), (149, 4328371), (703, 917393), (893, 722203), (1739, 370861), (2489, 259111), (2831, 227809), (4847, 133057), (5513, 116983), (6157, 104747), (7003, 92093), (19519, 33041)]