9978136

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 22855680

約数和(自身を除く): 12877544

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 61, 92, 122, 127, 161, 184, 244, 254, 322, 427, 488, 508, 644, 854, 889, 1016, 1288, 1403, 1708, 1778, 2806, 2921, 3416, 3556, 5612, 5842, 7112, 7747, 9821, 11224, 11684, 15494, 19642, 20447, 23368, 30988, 39284, 40894, 54229, 61976, 78568, 81788, 108458, 163576, 178181, 216916, 356362, 433832, 712724, 1247267, 1425448, 2494534, 4989068, 9978136]

約数ペア:

[(1, 9978136), (2, 4989068), (4, 2494534), (7, 1425448), (8, 1247267), (14, 712724), (23, 433832), (28, 356362), (46, 216916), (56, 178181), (61, 163576), (92, 108458), (122, 81788), (127, 78568), (161, 61976), (184, 54229), (244, 40894), (254, 39284), (322, 30988), (427, 23368), (488, 20447), (508, 19642), (644, 15494), (854, 11684), (889, 11224), (1016, 9821), (1288, 7747), (1403, 7112), (1708, 5842), (1778, 5612), (2806, 3556), (2921, 3416)]