64194988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 135581040

約数和(自身を除く): 71386052

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 89, 97, 143, 169, 178, 194, 286, 338, 356, 388, 572, 676, 979, 1067, 1157, 1261, 1859, 1958, 2134, 2314, 2522, 3718, 3916, 4268, 4628, 5044, 7436, 8633, 12727, 13871, 15041, 16393, 17266, 25454, 27742, 30082, 32786, 34532, 50908, 55484, 60164, 65572, 94963, 112229, 165451, 180323, 189926, 224458, 330902, 360646, 379852, 448916, 661804, 721292, 1234519, 1458977, 2469038, 2917954, 4938076, 5835908, 16048747, 32097494, 64194988]

約数ペア:

[(1, 64194988), (2, 32097494), (4, 16048747), (11, 5835908), (13, 4938076), (22, 2917954), (26, 2469038), (44, 1458977), (52, 1234519), (89, 721292), (97, 661804), (143, 448916), (169, 379852), (178, 360646), (194, 330902), (286, 224458), (338, 189926), (356, 180323), (388, 165451), (572, 112229), (676, 94963), (979, 65572), (1067, 60164), (1157, 55484), (1261, 50908), (1859, 34532), (1958, 32786), (2134, 30082), (2314, 27742), (2522, 25454), (3718, 17266), (3916, 16393), (4268, 15041), (4628, 13871), (5044, 12727), (7436, 8633)]