219045281

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{839}}^1$

素因数の和:1029

約数の個数: 32

約数和(自身を含む): 286003200

約数和(自身を除く): 66957919

約数列:

[1, 7, 13, 19, 91, 133, 151, 247, 839, 1057, 1729, 1963, 2869, 5873, 10907, 13741, 15941, 20083, 37297, 76349, 111587, 126689, 207233, 261079, 886823, 1450631, 1646957, 2407091, 11528699, 16849637, 31292183, 219045281]

約数ペア:

[(1, 219045281), (7, 31292183), (13, 16849637), (19, 11528699), (91, 2407091), (133, 1646957), (151, 1450631), (247, 886823), (839, 261079), (1057, 207233), (1729, 126689), (1963, 111587), (2869, 76349), (5873, 37297), (10907, 20083), (13741, 15941)]