203415919

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1\times {\mathrm{797}}^1$

素因数の和:943

約数の個数: 24

約数和(自身を含む): 248095008

約数和(自身を除く): 44679089

約数列:

[1, 7, 19, 101, 133, 361, 707, 797, 1919, 2527, 5579, 13433, 15143, 36461, 80497, 106001, 255227, 287717, 563479, 1529443, 2014019, 10706101, 29059417, 203415919]

約数ペア:

[(1, 203415919), (7, 29059417), (19, 10706101), (101, 2014019), (133, 1529443), (361, 563479), (707, 287717), (797, 255227), (1919, 106001), (2527, 80497), (5579, 36461), (13433, 15143)]