1388051988

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{1629169}}^1$

素因数の和:1629247

約数の個数: 24

約数和(自身を含む): 3284406720

約数和(自身を除く): 1896354732

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 1629169, 3258338, 4887507, 6516676, 9775014, 19550028, 115670999, 231341998, 347012997, 462683996, 694025994, 1388051988]

約数ペア:

[(1, 1388051988), (2, 694025994), (3, 462683996), (4, 347012997), (6, 231341998), (12, 115670999), (71, 19550028), (142, 9775014), (213, 6516676), (284, 4887507), (426, 3258338), (852, 1629169)]