72971818

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{211}}^1\times {\mathrm{479}}^1$

素因数の和:730

約数の個数: 24

約数和(自身を含む): 116311680

約数和(自身を除く): 43339862

約数列:

[1, 2, 19, 38, 211, 361, 422, 479, 722, 958, 4009, 8018, 9101, 18202, 76171, 101069, 152342, 172919, 202138, 345838, 1920311, 3840622, 36485909, 72971818]

約数ペア:

[(1, 72971818), (2, 36485909), (19, 3840622), (38, 1920311), (211, 345838), (361, 202138), (422, 172919), (479, 152342), (722, 101069), (958, 76171), (4009, 18202), (8018, 9101)]