311906147

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1217}}^1$

素因数の和:1331

約数の個数: 32

約数和(自身を含む): 392878080

約数和(自身を除く): 80971933

約数列:

[1, 7, 19, 41, 47, 133, 287, 329, 779, 893, 1217, 1927, 5453, 6251, 8519, 13489, 23123, 36613, 49897, 57199, 161861, 256291, 349279, 400393, 948043, 1086781, 2345159, 6636301, 7607467, 16416113, 44558021, 311906147]

約数ペア:

[(1, 311906147), (7, 44558021), (19, 16416113), (41, 7607467), (47, 6636301), (133, 2345159), (287, 1086781), (329, 948043), (779, 400393), (893, 349279), (1217, 256291), (1927, 161861), (5453, 57199), (6251, 49897), (8519, 36613), (13489, 23123)]