84120212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 165920832

約数和(自身を除く): 81800620

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 173, 257, 346, 473, 514, 692, 946, 1028, 1892, 1903, 2827, 3806, 5654, 7439, 7612, 11051, 11308, 14878, 22102, 29756, 44204, 44461, 81829, 88922, 121561, 163658, 177844, 243122, 327316, 486244, 489071, 978142, 1911823, 1956284, 3823646, 7647292, 21030053, 42060106, 84120212]

約数ペア:

[(1, 84120212), (2, 42060106), (4, 21030053), (11, 7647292), (22, 3823646), (43, 1956284), (44, 1911823), (86, 978142), (172, 489071), (173, 486244), (257, 327316), (346, 243122), (473, 177844), (514, 163658), (692, 121561), (946, 88922), (1028, 81829), (1892, 44461), (1903, 44204), (2827, 29756), (3806, 22102), (5654, 14878), (7439, 11308), (7612, 11051)]