67781854

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 128701440

約数和(自身を除く): 60919586

約数列:

[1, 2, 7, 14, 19, 37, 38, 71, 74, 97, 133, 142, 194, 259, 266, 497, 518, 679, 703, 994, 1349, 1358, 1406, 1843, 2627, 2698, 3589, 3686, 4921, 5254, 6887, 7178, 9443, 9842, 12901, 13774, 18389, 18886, 25123, 25802, 36778, 48209, 49913, 50246, 68191, 96418, 99826, 130853, 136382, 254819, 261706, 349391, 477337, 509638, 698782, 915971, 954674, 1783733, 1831942, 3567466, 4841561, 9683122, 33890927, 67781854]

約数ペア:

[(1, 67781854), (2, 33890927), (7, 9683122), (14, 4841561), (19, 3567466), (37, 1831942), (38, 1783733), (71, 954674), (74, 915971), (97, 698782), (133, 509638), (142, 477337), (194, 349391), (259, 261706), (266, 254819), (497, 136382), (518, 130853), (679, 99826), (703, 96418), (994, 68191), (1349, 50246), (1358, 49913), (1406, 48209), (1843, 36778), (2627, 25802), (2698, 25123), (3589, 18886), (3686, 18389), (4921, 13774), (5254, 12901), (6887, 9842), (7178, 9443)]