78867879

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 118080000

約数和(自身を除く): 39212121

約数列:

[1, 3, 17, 19, 51, 57, 199, 323, 409, 597, 969, 1227, 3383, 3781, 6953, 7771, 10149, 11343, 20859, 23313, 64277, 81391, 132107, 192831, 244173, 396321, 1383647, 1546429, 4150941, 4639287, 26289293, 78867879]

約数ペア:

[(1, 78867879), (3, 26289293), (17, 4639287), (19, 4150941), (51, 1546429), (57, 1383647), (199, 396321), (323, 244173), (409, 192831), (597, 132107), (969, 81391), (1227, 64277), (3383, 23313), (3781, 20859), (6953, 11343), (7771, 10149)]