2858779

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:426

約数の個数: 16

約数和(自身を含む): 3603456

約数和(自身を除く): 744677

約数列:

[1, 7, 11, 77, 137, 271, 959, 1507, 1897, 2981, 10549, 20867, 37127, 259889, 408397, 2858779]

約数ペア:

[(1, 2858779), (7, 408397), (11, 259889), (77, 37127), (137, 20867), (271, 10549), (959, 2981), (1507, 1897)]