289318263

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 457228800

約数和(自身を除く): 167910537

約数列:

[1, 3, 13, 19, 39, 41, 57, 89, 107, 123, 247, 267, 321, 533, 741, 779, 1157, 1391, 1599, 1691, 2033, 2337, 3471, 3649, 4173, 4387, 5073, 6099, 9523, 10127, 10947, 13161, 21983, 26429, 28569, 30381, 47437, 57031, 65949, 69331, 79287, 83353, 123799, 142311, 171093, 180937, 207993, 250059, 371397, 390443, 542811, 901303, 1083589, 1171329, 2352181, 2703909, 3250767, 5075759, 7056543, 7418417, 15227277, 22255251, 96439421, 289318263]

約数ペア:

[(1, 289318263), (3, 96439421), (13, 22255251), (19, 15227277), (39, 7418417), (41, 7056543), (57, 5075759), (89, 3250767), (107, 2703909), (123, 2352181), (247, 1171329), (267, 1083589), (321, 901303), (533, 542811), (741, 390443), (779, 371397), (1157, 250059), (1391, 207993), (1599, 180937), (1691, 171093), (2033, 142311), (2337, 123799), (3471, 83353), (3649, 79287), (4173, 69331), (4387, 65949), (5073, 57031), (6099, 47437), (9523, 30381), (10127, 28569), (10947, 26429), (13161, 21983)]