213121848

素因数分解:

$2^3\times 3^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 541042560

約数和(自身を除く): 327920712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 157, 163, 314, 326, 347, 471, 489, 628, 652, 694, 942, 978, 1041, 1256, 1304, 1388, 1884, 1956, 2082, 2776, 3768, 3912, 4164, 8328, 25591, 51182, 54479, 56561, 76773, 102364, 108958, 113122, 153546, 163437, 169683, 204728, 217916, 226244, 307092, 326874, 339366, 435832, 452488, 614184, 653748, 678732, 1307496, 1357464, 8880077, 17760154, 26640231, 35520308, 53280462, 71040616, 106560924, 213121848]

約数ペア:

[(1, 213121848), (2, 106560924), (3, 71040616), (4, 53280462), (6, 35520308), (8, 26640231), (12, 17760154), (24, 8880077), (157, 1357464), (163, 1307496), (314, 678732), (326, 653748), (347, 614184), (471, 452488), (489, 435832), (628, 339366), (652, 326874), (694, 307092), (942, 226244), (978, 217916), (1041, 204728), (1256, 169683), (1304, 163437), (1388, 153546), (1884, 113122), (1956, 108958), (2082, 102364), (2776, 76773), (3768, 56561), (3912, 54479), (4164, 51182), (8328, 25591)]