128817507

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 223534080

約数和(自身を除く): 94716573

約数列:

[1, 3, 7, 13, 21, 29, 39, 53, 87, 91, 159, 203, 273, 307, 371, 377, 609, 689, 921, 1113, 1131, 1537, 2067, 2149, 2639, 3991, 4611, 4823, 6447, 7917, 8903, 10759, 11973, 14469, 16271, 19981, 26709, 27937, 32277, 48813, 59943, 62321, 83811, 113897, 115739, 139867, 186963, 211523, 341691, 347217, 419601, 471859, 634569, 810173, 1415577, 1480661, 2430519, 3303013, 4441983, 6134167, 9909039, 18402501, 42939169, 128817507]

約数ペア:

[(1, 128817507), (3, 42939169), (7, 18402501), (13, 9909039), (21, 6134167), (29, 4441983), (39, 3303013), (53, 2430519), (87, 1480661), (91, 1415577), (159, 810173), (203, 634569), (273, 471859), (307, 419601), (371, 347217), (377, 341691), (609, 211523), (689, 186963), (921, 139867), (1113, 115739), (1131, 113897), (1537, 83811), (2067, 62321), (2149, 59943), (2639, 48813), (3991, 32277), (4611, 27937), (4823, 26709), (6447, 19981), (7917, 16271), (8903, 14469), (10759, 11973)]