81311906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{164599}}^1$

素因数の和:164633

約数の個数: 16

約数和(自身を含む): 138264000

約数和(自身を除く): 56952094

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 164599, 329198, 2139787, 3127381, 4279574, 6254762, 40655953, 81311906]

約数ペア:

[(1, 81311906), (2, 40655953), (13, 6254762), (19, 4279574), (26, 3127381), (38, 2139787), (247, 329198), (494, 164599)]