55515131

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 69672960

約数和(自身を除く): 14157829

約数列:

[1, 7, 19, 47, 83, 107, 133, 329, 581, 749, 893, 1577, 2033, 3901, 5029, 6251, 8881, 11039, 14231, 27307, 35203, 62167, 74119, 95551, 168739, 417407, 518833, 668857, 1181173, 2921849, 7930733, 55515131]

約数ペア:

[(1, 55515131), (7, 7930733), (19, 2921849), (47, 1181173), (83, 668857), (107, 518833), (133, 417407), (329, 168739), (581, 95551), (749, 74119), (893, 62167), (1577, 35203), (2033, 27307), (3901, 14231), (5029, 11039), (6251, 8881)]