81957137906

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{188677}}^1$

素因数の和:188799

約数の個数: 64

約数和(自身を含む): 156497080320

約数和(自身を除く): 74539942414

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 71, 133, 142, 161, 266, 322, 437, 497, 874, 994, 1349, 1633, 2698, 3059, 3266, 6118, 9443, 11431, 18886, 22862, 31027, 62054, 188677, 217189, 377354, 434378, 1320739, 2641478, 3584863, 4339571, 7169726, 8679142, 13396067, 25094041, 26792134, 30376997, 50188082, 60753994, 82451849, 93772469, 164903698, 187544938, 254525273, 308109541, 509050546, 577162943, 616219082, 1154325886, 1781676911, 2156766787, 3563353822, 4313533574, 5854081279, 11708162558, 40978568953, 81957137906]

約数ペア:

[(1, 81957137906), (2, 40978568953), (7, 11708162558), (14, 5854081279), (19, 4313533574), (23, 3563353822), (38, 2156766787), (46, 1781676911), (71, 1154325886), (133, 616219082), (142, 577162943), (161, 509050546), (266, 308109541), (322, 254525273), (437, 187544938), (497, 164903698), (874, 93772469), (994, 82451849), (1349, 60753994), (1633, 50188082), (2698, 30376997), (3059, 26792134), (3266, 25094041), (6118, 13396067), (9443, 8679142), (11431, 7169726), (18886, 4339571), (22862, 3584863), (31027, 2641478), (62054, 1320739), (188677, 434378), (217189, 377354)]