1286285

素因数分解:

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

素因数の和:293

約数の個数: 32

約数和(自身を含む): 2080512

約数和(自身を除く): 794227

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 257, 385, 455, 715, 1001, 1285, 1799, 2827, 3341, 5005, 8995, 14135, 16705, 19789, 23387, 36751, 98945, 116935, 183755, 257257, 1286285]

約数ペア:

[(1, 1286285), (5, 257257), (7, 183755), (11, 116935), (13, 98945), (35, 36751), (55, 23387), (65, 19789), (77, 16705), (91, 14135), (143, 8995), (257, 5005), (385, 3341), (455, 2827), (715, 1799), (1001, 1285)]