28691656

素因数分解:

$2^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1381}}^1$

素因数の和:1454

約数の個数: 48

約数和(自身を含む): 63806940

約数和(自身を除く): 35115284

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 53, 56, 98, 106, 196, 212, 371, 392, 424, 742, 1381, 1484, 2597, 2762, 2968, 5194, 5524, 9667, 10388, 11048, 19334, 20776, 38668, 67669, 73193, 77336, 135338, 146386, 270676, 292772, 512351, 541352, 585544, 1024702, 2049404, 3586457, 4098808, 7172914, 14345828, 28691656]

約数ペア:

[(1, 28691656), (2, 14345828), (4, 7172914), (7, 4098808), (8, 3586457), (14, 2049404), (28, 1024702), (49, 585544), (53, 541352), (56, 512351), (98, 292772), (106, 270676), (196, 146386), (212, 135338), (371, 77336), (392, 73193), (424, 67669), (742, 38668), (1381, 20776), (1484, 19334), (2597, 11048), (2762, 10388), (2968, 9667), (5194, 5524)]