678946

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1051}}^1$

素因数の和:1089

約数の個数: 16

約数和(自身を含む): 1136160

約数和(自身を除く): 457214

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 1051, 2102, 17867, 19969, 35734, 39938, 339473, 678946]

約数ペア:

[(1, 678946), (2, 339473), (17, 39938), (19, 35734), (34, 19969), (38, 17867), (323, 2102), (646, 1051)]