989207868

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{20759}}^1$

素因数の和:20815

約数の個数: 72

約数和(自身を含む): 2657612160

約数和(自身を除く): 1668404292

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 114, 132, 209, 228, 361, 418, 627, 722, 836, 1083, 1254, 1444, 2166, 2508, 3971, 4332, 7942, 11913, 15884, 20759, 23826, 41518, 47652, 62277, 83036, 124554, 228349, 249108, 394421, 456698, 685047, 788842, 913396, 1183263, 1370094, 1577684, 2366526, 2740188, 4338631, 4733052, 7493999, 8677262, 13015893, 14987998, 17354524, 22481997, 26031786, 29975996, 44963994, 52063572, 82433989, 89927988, 164867978, 247301967, 329735956, 494603934, 989207868]

約数ペア:

[(1, 989207868), (2, 494603934), (3, 329735956), (4, 247301967), (6, 164867978), (11, 89927988), (12, 82433989), (19, 52063572), (22, 44963994), (33, 29975996), (38, 26031786), (44, 22481997), (57, 17354524), (66, 14987998), (76, 13015893), (114, 8677262), (132, 7493999), (209, 4733052), (228, 4338631), (361, 2740188), (418, 2366526), (627, 1577684), (722, 1370094), (836, 1183263), (1083, 913396), (1254, 788842), (1444, 685047), (2166, 456698), (2508, 394421), (3971, 249108), (4332, 228349), (7942, 124554), (11913, 83036), (15884, 62277), (20759, 47652), (23826, 41518)]