858807391

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 995178240

約数和(自身を除く): 136370849

約数列:

[1, 13, 19, 83, 163, 247, 257, 1079, 1577, 2119, 3097, 3341, 4883, 13529, 20501, 21331, 40261, 41891, 63479, 175877, 257051, 277303, 405289, 544583, 795929, 3341663, 3476953, 5268757, 10347077, 45200389, 66062107, 858807391]

約数ペア:

[(1, 858807391), (13, 66062107), (19, 45200389), (83, 10347077), (163, 5268757), (247, 3476953), (257, 3341663), (1079, 795929), (1577, 544583), (2119, 405289), (3097, 277303), (3341, 257051), (4883, 175877), (13529, 63479), (20501, 41891), (21331, 40261)]