31242921983

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{257561}}^1$

素因数の和:257655

約数の個数: 32

約数和(自身を含む): 40616497152

約数和(自身を除く): 9373575169

約数列:

[1, 7, 13, 31, 43, 91, 217, 301, 403, 559, 1333, 2821, 3913, 9331, 17329, 121303, 257561, 1802927, 3348293, 7984391, 11075123, 23438051, 55890737, 77525861, 103797083, 143976599, 343328813, 726579581, 1007836193, 2403301691, 4463274569, 31242921983]

約数ペア:

[(1, 31242921983), (7, 4463274569), (13, 2403301691), (31, 1007836193), (43, 726579581), (91, 343328813), (217, 143976599), (301, 103797083), (403, 77525861), (559, 55890737), (1333, 23438051), (2821, 11075123), (3913, 7984391), (9331, 3348293), (17329, 1802927), (121303, 257561)]