6431425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 10749312

約数和(自身を除く): 4317887

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 175, 257, 275, 325, 385, 455, 715, 1001, 1285, 1799, 1925, 2275, 2827, 3341, 3575, 5005, 6425, 8995, 14135, 16705, 19789, 23387, 25025, 36751, 44975, 70675, 83525, 98945, 116935, 183755, 257257, 494725, 584675, 918775, 1286285, 6431425]

約数ペア:

[(1, 6431425), (5, 1286285), (7, 918775), (11, 584675), (13, 494725), (25, 257257), (35, 183755), (55, 116935), (65, 98945), (77, 83525), (91, 70675), (143, 44975), (175, 36751), (257, 25025), (275, 23387), (325, 19789), (385, 16705), (455, 14135), (715, 8995), (1001, 6425), (1285, 5005), (1799, 3575), (1925, 3341), (2275, 2827)]