259844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 517440

約数和(自身を除く): 257596

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 263, 494, 526, 988, 1052, 3419, 4997, 6838, 9994, 13676, 19988, 64961, 129922, 259844]

約数ペア:

[(1, 259844), (2, 129922), (4, 64961), (13, 19988), (19, 13676), (26, 9994), (38, 6838), (52, 4997), (76, 3419), (247, 1052), (263, 988), (494, 526)]