31601816

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:200

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 33716584

約数列:

[1, 2, 4, 8, 23, 41, 46, 59, 71, 82, 92, 118, 142, 164, 184, 236, 284, 328, 472, 568, 943, 1357, 1633, 1886, 2419, 2714, 2911, 3266, 3772, 4189, 4838, 5428, 5822, 6532, 7544, 8378, 9676, 10856, 11644, 13064, 16756, 19352, 23288, 33512, 55637, 66953, 96347, 111274, 133906, 171749, 192694, 222548, 267812, 343498, 385388, 445096, 535624, 686996, 770776, 1373992, 3950227, 7900454, 15800908, 31601816]

約数ペア:

[(1, 31601816), (2, 15800908), (4, 7900454), (8, 3950227), (23, 1373992), (41, 770776), (46, 686996), (59, 535624), (71, 445096), (82, 385388), (92, 343498), (118, 267812), (142, 222548), (164, 192694), (184, 171749), (236, 133906), (284, 111274), (328, 96347), (472, 66953), (568, 55637), (943, 33512), (1357, 23288), (1633, 19352), (1886, 16756), (2419, 13064), (2714, 11644), (2911, 10856), (3266, 9676), (3772, 8378), (4189, 7544), (4838, 6532), (5428, 5822)]