8172857

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 10588320

約数和(自身を除く): 2415463

約数列:

[1, 7, 11, 49, 59, 77, 257, 413, 539, 649, 1799, 2827, 2891, 4543, 12593, 15163, 19789, 31801, 106141, 138523, 166793, 742987, 1167551, 8172857]

約数ペア:

[(1, 8172857), (7, 1167551), (11, 742987), (49, 166793), (59, 138523), (77, 106141), (257, 31801), (413, 19789), (539, 15163), (649, 12593), (1799, 4543), (2827, 2891)]