87211722

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 197842176

約数和(自身を除く): 110630454

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 173, 281, 299, 346, 519, 562, 598, 843, 897, 1038, 1686, 1794, 2249, 3653, 3979, 4498, 6463, 6747, 7306, 7958, 10959, 11937, 12926, 13494, 19389, 21918, 23874, 38778, 48613, 51727, 84019, 97226, 103454, 145839, 155181, 168038, 252057, 291678, 310362, 504114, 631969, 1118099, 1263938, 1895907, 2236198, 3354297, 3791814, 6708594, 14535287, 29070574, 43605861, 87211722]

約数ペア:

[(1, 87211722), (2, 43605861), (3, 29070574), (6, 14535287), (13, 6708594), (23, 3791814), (26, 3354297), (39, 2236198), (46, 1895907), (69, 1263938), (78, 1118099), (138, 631969), (173, 504114), (281, 310362), (299, 291678), (346, 252057), (519, 168038), (562, 155181), (598, 145839), (843, 103454), (897, 97226), (1038, 84019), (1686, 51727), (1794, 48613), (2249, 38778), (3653, 23874), (3979, 21918), (4498, 19389), (6463, 13494), (6747, 12926), (7306, 11937), (7958, 10959)]