28202214257

素因数分解:

$7^3\times {\mathrm{31}}^2\times {\mathrm{67}}^1\times {\mathrm{1277}}^1$

素因数の和:1427

約数の個数: 48

約数和(自身を含む): 34518268800

約数和(自身を除く): 6316054543

約数列:

[1, 7, 31, 49, 67, 217, 343, 469, 961, 1277, 1519, 2077, 3283, 6727, 8939, 10633, 14539, 22981, 39587, 47089, 62573, 64387, 85559, 101773, 277109, 329623, 438011, 450709, 598913, 712411, 1227197, 1939763, 2652329, 3154963, 4192391, 8590379, 13578341, 18566303, 22084741, 29346737, 60132653, 82222199, 129964121, 420928571, 575555393, 909748847, 4028887751, 28202214257]

約数ペア:

[(1, 28202214257), (7, 4028887751), (31, 909748847), (49, 575555393), (67, 420928571), (217, 129964121), (343, 82222199), (469, 60132653), (961, 29346737), (1277, 22084741), (1519, 18566303), (2077, 13578341), (3283, 8590379), (6727, 4192391), (8939, 3154963), (10633, 2652329), (14539, 1939763), (22981, 1227197), (39587, 712411), (47089, 598913), (62573, 450709), (64387, 438011), (85559, 329623), (101773, 277109)]