55880478

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{73}}^1$

素因数の和:190

約数の個数: 72

約数和(自身を含む): 131116752

約数和(自身を除く): 75236274

約数列:

[1, 2, 3, 6, 9, 18, 23, 43, 46, 69, 73, 86, 129, 138, 146, 207, 219, 258, 387, 414, 438, 657, 774, 989, 1314, 1679, 1849, 1978, 2967, 3139, 3358, 3698, 5037, 5547, 5934, 6278, 8901, 9417, 10074, 11094, 15111, 16641, 17802, 18834, 28251, 30222, 33282, 42527, 56502, 72197, 85054, 127581, 134977, 144394, 216591, 255162, 269954, 382743, 404931, 433182, 649773, 765486, 809862, 1214793, 1299546, 2429586, 3104471, 6208942, 9313413, 18626826, 27940239, 55880478]

約数ペア:

[(1, 55880478), (2, 27940239), (3, 18626826), (6, 9313413), (9, 6208942), (18, 3104471), (23, 2429586), (43, 1299546), (46, 1214793), (69, 809862), (73, 765486), (86, 649773), (129, 433182), (138, 404931), (146, 382743), (207, 269954), (219, 255162), (258, 216591), (387, 144394), (414, 134977), (438, 127581), (657, 85054), (774, 72197), (989, 56502), (1314, 42527), (1679, 33282), (1849, 30222), (1978, 28251), (2967, 18834), (3139, 17802), (3358, 16641), (3698, 15111), (5037, 11094), (5547, 10074), (5934, 9417), (6278, 8901)]