82781172

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:453

約数の個数: 72

約数和(自身を含む): 214643520

約数和(自身を除く): 131862348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 139, 142, 213, 233, 278, 284, 417, 426, 466, 556, 639, 699, 834, 852, 932, 1251, 1278, 1398, 1668, 2097, 2502, 2556, 2796, 4194, 5004, 8388, 9869, 16543, 19738, 29607, 32387, 33086, 39476, 49629, 59214, 64774, 66172, 88821, 97161, 99258, 118428, 129548, 148887, 177642, 194322, 198516, 291483, 297774, 355284, 388644, 582966, 595548, 1165932, 2299477, 4598954, 6898431, 9197908, 13796862, 20695293, 27593724, 41390586, 82781172]

約数ペア:

[(1, 82781172), (2, 41390586), (3, 27593724), (4, 20695293), (6, 13796862), (9, 9197908), (12, 6898431), (18, 4598954), (36, 2299477), (71, 1165932), (139, 595548), (142, 582966), (213, 388644), (233, 355284), (278, 297774), (284, 291483), (417, 198516), (426, 194322), (466, 177642), (556, 148887), (639, 129548), (699, 118428), (834, 99258), (852, 97161), (932, 88821), (1251, 66172), (1278, 64774), (1398, 59214), (1668, 49629), (2097, 39476), (2502, 33086), (2556, 32387), (2796, 29607), (4194, 19738), (5004, 16543), (8388, 9869)]