31846269

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 55738368

約数和(自身を除く): 23892099

約数列:

[1, 3, 7, 13, 21, 31, 39, 53, 71, 91, 93, 159, 213, 217, 273, 371, 403, 497, 651, 689, 923, 1113, 1209, 1491, 1643, 2067, 2201, 2769, 2821, 3763, 4823, 4929, 6461, 6603, 8463, 11289, 11501, 14469, 15407, 19383, 21359, 26341, 28613, 34503, 46221, 48919, 64077, 79023, 85839, 116653, 146757, 149513, 200291, 342433, 349959, 448539, 600873, 816571, 1027299, 1516489, 2449713, 4549467, 10615423, 31846269]

約数ペア:

[(1, 31846269), (3, 10615423), (7, 4549467), (13, 2449713), (21, 1516489), (31, 1027299), (39, 816571), (53, 600873), (71, 448539), (91, 349959), (93, 342433), (159, 200291), (213, 149513), (217, 146757), (273, 116653), (371, 85839), (403, 79023), (497, 64077), (651, 48919), (689, 46221), (923, 34503), (1113, 28613), (1209, 26341), (1491, 21359), (1643, 19383), (2067, 15407), (2201, 14469), (2769, 11501), (2821, 11289), (3763, 8463), (4823, 6603), (4929, 6461)]