138334105

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^3\times {\mathrm{257}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 210001680

約数和(自身を除く): 71667575

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 169, 245, 257, 455, 637, 845, 1183, 1285, 1799, 2197, 3185, 3341, 5915, 8281, 8995, 10985, 12593, 15379, 16705, 23387, 41405, 43433, 62965, 76895, 107653, 116935, 163709, 217165, 304031, 538265, 564629, 818545, 1520155, 2128217, 2823145, 3952403, 10641085, 19762015, 27666821, 138334105]

約数ペア:

[(1, 138334105), (5, 27666821), (7, 19762015), (13, 10641085), (35, 3952403), (49, 2823145), (65, 2128217), (91, 1520155), (169, 818545), (245, 564629), (257, 538265), (455, 304031), (637, 217165), (845, 163709), (1183, 116935), (1285, 107653), (1799, 76895), (2197, 62965), (3185, 43433), (3341, 41405), (5915, 23387), (8281, 16705), (8995, 15379), (10985, 12593)]