27808984

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 62576640

約数和(自身を除く): 34767656

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 83, 124, 166, 193, 217, 248, 332, 386, 434, 581, 664, 772, 868, 1162, 1351, 1544, 1736, 2324, 2573, 2702, 4648, 5146, 5404, 5983, 10292, 10808, 11966, 16019, 18011, 20584, 23932, 32038, 36022, 41881, 47864, 64076, 72044, 83762, 112133, 128152, 144088, 167524, 224266, 335048, 448532, 496589, 897064, 993178, 1986356, 3476123, 3972712, 6952246, 13904492, 27808984]

約数ペア:

[(1, 27808984), (2, 13904492), (4, 6952246), (7, 3972712), (8, 3476123), (14, 1986356), (28, 993178), (31, 897064), (56, 496589), (62, 448532), (83, 335048), (124, 224266), (166, 167524), (193, 144088), (217, 128152), (248, 112133), (332, 83762), (386, 72044), (434, 64076), (581, 47864), (664, 41881), (772, 36022), (868, 32038), (1162, 23932), (1351, 20584), (1544, 18011), (1736, 16019), (2324, 11966), (2573, 10808), (2702, 10292), (4648, 5983), (5146, 5404)]