8555690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 18772992

約数和(自身を除く): 10217302

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 193, 286, 310, 341, 386, 403, 682, 715, 806, 965, 1430, 1705, 1930, 2015, 2123, 2509, 3410, 4030, 4246, 4433, 5018, 5983, 8866, 10615, 11966, 12545, 21230, 22165, 25090, 27599, 29915, 44330, 55198, 59830, 65813, 77779, 131626, 137995, 155558, 275990, 329065, 388895, 658130, 777790, 855569, 1711138, 4277845, 8555690]

約数ペア:

[(1, 8555690), (2, 4277845), (5, 1711138), (10, 855569), (11, 777790), (13, 658130), (22, 388895), (26, 329065), (31, 275990), (55, 155558), (62, 137995), (65, 131626), (110, 77779), (130, 65813), (143, 59830), (155, 55198), (193, 44330), (286, 29915), (310, 27599), (341, 25090), (386, 22165), (403, 21230), (682, 12545), (715, 11966), (806, 10615), (965, 8866), (1430, 5983), (1705, 5018), (1930, 4433), (2015, 4246), (2123, 4030), (2509, 3410)]