23281232

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 52704960

約数和(自身を除く): 29423728

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 43, 52, 76, 86, 104, 137, 152, 172, 208, 247, 274, 304, 344, 494, 548, 559, 688, 817, 988, 1096, 1118, 1634, 1781, 1976, 2192, 2236, 2603, 3268, 3562, 3952, 4472, 5206, 5891, 6536, 7124, 8944, 10412, 10621, 11782, 13072, 14248, 20824, 21242, 23564, 28496, 33839, 41648, 42484, 47128, 67678, 76583, 84968, 94256, 111929, 135356, 153166, 169936, 223858, 270712, 306332, 447716, 541424, 612664, 895432, 1225328, 1455077, 1790864, 2910154, 5820308, 11640616, 23281232]

約数ペア:

[(1, 23281232), (2, 11640616), (4, 5820308), (8, 2910154), (13, 1790864), (16, 1455077), (19, 1225328), (26, 895432), (38, 612664), (43, 541424), (52, 447716), (76, 306332), (86, 270712), (104, 223858), (137, 169936), (152, 153166), (172, 135356), (208, 111929), (247, 94256), (274, 84968), (304, 76583), (344, 67678), (494, 47128), (548, 42484), (559, 41648), (688, 33839), (817, 28496), (988, 23564), (1096, 21242), (1118, 20824), (1634, 14248), (1781, 13072), (1976, 11782), (2192, 10621), (2236, 10412), (2603, 8944), (3268, 7124), (3562, 6536), (3952, 5891), (4472, 5206)]