78880216

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{71971}}^1$

素因数の和:72114

約数の個数: 16

約数和(自身を含む): 148982040

約数和(自身を除く): 70101824

約数列:

[1, 2, 4, 8, 137, 274, 548, 1096, 71971, 143942, 287884, 575768, 9860027, 19720054, 39440108, 78880216]

約数ペア:

[(1, 78880216), (2, 39440108), (4, 19720054), (8, 9860027), (137, 575768), (274, 287884), (548, 143942), (1096, 71971)]