81309232

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 178863552

約数和(自身を除く): 97554320

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 41, 46, 68, 82, 92, 136, 164, 184, 272, 317, 328, 368, 391, 634, 656, 697, 782, 943, 1268, 1394, 1564, 1886, 2536, 2788, 3128, 3772, 5072, 5389, 5576, 6256, 7291, 7544, 10778, 11152, 12997, 14582, 15088, 16031, 21556, 25994, 29164, 32062, 43112, 51988, 58328, 64124, 86224, 103976, 116656, 123947, 128248, 207952, 220949, 247894, 256496, 298931, 441898, 495788, 597862, 883796, 991576, 1195724, 1767592, 1983152, 2391448, 3535184, 4782896, 5081827, 10163654, 20327308, 40654616, 81309232]

約数ペア:

[(1, 81309232), (2, 40654616), (4, 20327308), (8, 10163654), (16, 5081827), (17, 4782896), (23, 3535184), (34, 2391448), (41, 1983152), (46, 1767592), (68, 1195724), (82, 991576), (92, 883796), (136, 597862), (164, 495788), (184, 441898), (272, 298931), (317, 256496), (328, 247894), (368, 220949), (391, 207952), (634, 128248), (656, 123947), (697, 116656), (782, 103976), (943, 86224), (1268, 64124), (1394, 58328), (1564, 51988), (1886, 43112), (2536, 32062), (2788, 29164), (3128, 25994), (3772, 21556), (5072, 16031), (5389, 15088), (5576, 14582), (6256, 12997), (7291, 11152), (7544, 10778)]