644240014

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{289937}}^1$

素因数の和:290051

約数の個数: 16

約数和(自身を含む): 1064652336

約数和(自身を除く): 420412322

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 289937, 579874, 3189307, 6378614, 29283637, 58567274, 322120007, 644240014]

約数ペア:

[(1, 644240014), (2, 322120007), (11, 58567274), (22, 29283637), (101, 6378614), (202, 3189307), (1111, 579874), (2222, 289937)]