26666367

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 47416320

約数和(自身を除く): 20749953

約数列:

[1, 3, 7, 13, 19, 21, 39, 53, 57, 91, 97, 133, 159, 247, 273, 291, 371, 399, 679, 689, 741, 1007, 1113, 1261, 1729, 1843, 2037, 2067, 3021, 3783, 4823, 5141, 5187, 5529, 7049, 8827, 12901, 13091, 14469, 15423, 21147, 23959, 26481, 35987, 38703, 39273, 66833, 71877, 91637, 97679, 107961, 167713, 200499, 274911, 293037, 467831, 503139, 683753, 1269827, 1403493, 2051259, 3809481, 8888789, 26666367]

約数ペア:

[(1, 26666367), (3, 8888789), (7, 3809481), (13, 2051259), (19, 1403493), (21, 1269827), (39, 683753), (53, 503139), (57, 467831), (91, 293037), (97, 274911), (133, 200499), (159, 167713), (247, 107961), (273, 97679), (291, 91637), (371, 71877), (399, 66833), (679, 39273), (689, 38703), (741, 35987), (1007, 26481), (1113, 23959), (1261, 21147), (1729, 15423), (1843, 14469), (2037, 13091), (2067, 12901), (3021, 8827), (3783, 7049), (4823, 5529), (5141, 5187)]