78661548

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1103}}^1$

素因数の和:1403

約数の個数: 72

約数和(自身を含む): 228254208

約数和(自身を除く): 149592660

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 283, 566, 849, 1103, 1132, 1698, 1981, 2206, 2547, 3309, 3396, 3962, 4412, 5094, 5943, 6618, 7721, 7924, 9927, 10188, 11886, 13236, 15442, 17829, 19854, 23163, 23772, 30884, 35658, 39708, 46326, 69489, 71316, 92652, 138978, 277956, 312149, 624298, 936447, 1248596, 1872894, 2185043, 2809341, 3745788, 4370086, 5618682, 6555129, 8740172, 11237364, 13110258, 19665387, 26220516, 39330774, 78661548]

約数ペア:

[(1, 78661548), (2, 39330774), (3, 26220516), (4, 19665387), (6, 13110258), (7, 11237364), (9, 8740172), (12, 6555129), (14, 5618682), (18, 4370086), (21, 3745788), (28, 2809341), (36, 2185043), (42, 1872894), (63, 1248596), (84, 936447), (126, 624298), (252, 312149), (283, 277956), (566, 138978), (849, 92652), (1103, 71316), (1132, 69489), (1698, 46326), (1981, 39708), (2206, 35658), (2547, 30884), (3309, 23772), (3396, 23163), (3962, 19854), (4412, 17829), (5094, 15442), (5943, 13236), (6618, 11886), (7721, 10188), (7924, 9927)]