12981584

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 32247936

約数和(自身を除く): 19266352

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 41, 44, 56, 77, 82, 88, 112, 154, 164, 176, 257, 287, 308, 328, 451, 514, 574, 616, 656, 902, 1028, 1148, 1232, 1799, 1804, 2056, 2296, 2827, 3157, 3598, 3608, 4112, 4592, 5654, 6314, 7196, 7216, 10537, 11308, 12628, 14392, 19789, 21074, 22616, 25256, 28784, 39578, 42148, 45232, 50512, 73759, 79156, 84296, 115907, 147518, 158312, 168592, 231814, 295036, 316624, 463628, 590072, 811349, 927256, 1180144, 1622698, 1854512, 3245396, 6490792, 12981584]

約数ペア:

[(1, 12981584), (2, 6490792), (4, 3245396), (7, 1854512), (8, 1622698), (11, 1180144), (14, 927256), (16, 811349), (22, 590072), (28, 463628), (41, 316624), (44, 295036), (56, 231814), (77, 168592), (82, 158312), (88, 147518), (112, 115907), (154, 84296), (164, 79156), (176, 73759), (257, 50512), (287, 45232), (308, 42148), (328, 39578), (451, 28784), (514, 25256), (574, 22616), (616, 21074), (656, 19789), (902, 14392), (1028, 12628), (1148, 11308), (1232, 10537), (1799, 7216), (1804, 7196), (2056, 6314), (2296, 5654), (2827, 4592), (3157, 4112), (3598, 3608)]