66889648

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 153990144

約数和(自身を除く): 87100496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 97, 112, 131, 188, 194, 262, 329, 376, 388, 524, 658, 679, 752, 776, 917, 1048, 1316, 1358, 1552, 1834, 2096, 2632, 2716, 3668, 4559, 5264, 5432, 6157, 7336, 9118, 10864, 12314, 12707, 14672, 18236, 24628, 25414, 31913, 36472, 43099, 49256, 50828, 63826, 72944, 86198, 88949, 98512, 101656, 127652, 172396, 177898, 203312, 255304, 344792, 355796, 510608, 597229, 689584, 711592, 1194458, 1423184, 2388916, 4180603, 4777832, 8361206, 9555664, 16722412, 33444824, 66889648]

約数ペア:

[(1, 66889648), (2, 33444824), (4, 16722412), (7, 9555664), (8, 8361206), (14, 4777832), (16, 4180603), (28, 2388916), (47, 1423184), (56, 1194458), (94, 711592), (97, 689584), (112, 597229), (131, 510608), (188, 355796), (194, 344792), (262, 255304), (329, 203312), (376, 177898), (388, 172396), (524, 127652), (658, 101656), (679, 98512), (752, 88949), (776, 86198), (917, 72944), (1048, 63826), (1316, 50828), (1358, 49256), (1552, 43099), (1834, 36472), (2096, 31913), (2632, 25414), (2716, 24628), (3668, 18236), (4559, 14672), (5264, 12707), (5432, 12314), (6157, 10864), (7336, 9118)]