2108453978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1\times {\mathrm{78259}}^1$

素因数の和:78989

約数の個数: 16

約数和(自身を含む): 3333876000

約数和(自身を除く): 1225422022

約数列:

[1, 2, 19, 38, 709, 1418, 13471, 26942, 78259, 156518, 1486921, 2973842, 55485631, 110971262, 1054226989, 2108453978]

約数ペア:

[(1, 2108453978), (2, 1054226989), (19, 110971262), (38, 55485631), (709, 2973842), (1418, 1486921), (13471, 156518), (26942, 78259)]