128717761

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 149610240

約数和(自身を除く): 20892479

約数列:

[1, 17, 19, 53, 73, 103, 323, 901, 1007, 1241, 1387, 1751, 1957, 3869, 5459, 7519, 17119, 23579, 33269, 65773, 73511, 92803, 103721, 127823, 142861, 398507, 1249687, 1763257, 2428637, 6774619, 7571633, 128717761]

約数ペア:

[(1, 128717761), (17, 7571633), (19, 6774619), (53, 2428637), (73, 1763257), (103, 1249687), (323, 398507), (901, 142861), (1007, 127823), (1241, 103721), (1387, 92803), (1751, 73511), (1957, 65773), (3869, 33269), (5459, 23579), (7519, 17119)]