1321665867265

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1471}}^1\times {\mathrm{4297}}^1$

素因数の和:5894

約数の個数: 64

約数和(自身を含む): 1749193850880

約数和(自身を除く): 427527983615

約数列:

[1, 5, 19, 31, 71, 95, 155, 355, 589, 1349, 1471, 2201, 2945, 4297, 6745, 7355, 11005, 21485, 27949, 41819, 45601, 81643, 104441, 133207, 139745, 209095, 228005, 305087, 408215, 522205, 666035, 866419, 1525435, 1984379, 2530933, 3237671, 4332095, 5796653, 6320887, 9457697, 9921895, 12654665, 16188355, 28983265, 31604435, 47288485, 61515749, 120096853, 179696243, 195947497, 307578745, 448782977, 600484265, 898481215, 979737485, 2243914885, 3723002443, 8526876563, 13912272287, 18615012215, 42634382815, 69561361435, 264333173453, 1321665867265]

約数ペア:

[(1, 1321665867265), (5, 264333173453), (19, 69561361435), (31, 42634382815), (71, 18615012215), (95, 13912272287), (155, 8526876563), (355, 3723002443), (589, 2243914885), (1349, 979737485), (1471, 898481215), (2201, 600484265), (2945, 448782977), (4297, 307578745), (6745, 195947497), (7355, 179696243), (11005, 120096853), (21485, 61515749), (27949, 47288485), (41819, 31604435), (45601, 28983265), (81643, 16188355), (104441, 12654665), (133207, 9921895), (139745, 9457697), (209095, 6320887), (228005, 5796653), (305087, 4332095), (408215, 3237671), (522205, 2530933), (666035, 1984379), (866419, 1525435)]