28436004

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 76370112

約数和(自身を除く): 47934108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 61, 69, 92, 122, 138, 183, 207, 244, 276, 366, 414, 549, 563, 732, 828, 1098, 1126, 1403, 1689, 2196, 2252, 2806, 3378, 4209, 5067, 5612, 6756, 8418, 10134, 12627, 12949, 16836, 20268, 25254, 25898, 34343, 38847, 50508, 51796, 68686, 77694, 103029, 116541, 137372, 155388, 206058, 233082, 309087, 412116, 466164, 618174, 789889, 1236348, 1579778, 2369667, 3159556, 4739334, 7109001, 9478668, 14218002, 28436004]

約数ペア:

[(1, 28436004), (2, 14218002), (3, 9478668), (4, 7109001), (6, 4739334), (9, 3159556), (12, 2369667), (18, 1579778), (23, 1236348), (36, 789889), (46, 618174), (61, 466164), (69, 412116), (92, 309087), (122, 233082), (138, 206058), (183, 155388), (207, 137372), (244, 116541), (276, 103029), (366, 77694), (414, 68686), (549, 51796), (563, 50508), (732, 38847), (828, 34343), (1098, 25898), (1126, 25254), (1403, 20268), (1689, 16836), (2196, 12949), (2252, 12627), (2806, 10134), (3378, 8418), (4209, 6756), (5067, 5612)]