678349738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{47657}}^1$

素因数の和:48317

約数の個数: 16

約数和(自身を含む): 1111765824

約数和(自身を除く): 433416086

約数列:

[1, 2, 11, 22, 647, 1294, 7117, 14234, 47657, 95314, 524227, 1048454, 30834079, 61668158, 339174869, 678349738]

約数ペア:

[(1, 678349738), (2, 339174869), (11, 61668158), (22, 30834079), (647, 1048454), (1294, 524227), (7117, 95314), (14234, 47657)]