78040012

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{19727}}^1$

素因数の和:19797

約数の個数: 24

約数和(自身を含む): 145829376

約数和(自身を除く): 67789364

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956, 19727, 39454, 78908, 453721, 848261, 907442, 1696522, 1814884, 3393044, 19510003, 39020006, 78040012]

約数ペア:

[(1, 78040012), (2, 39020006), (4, 19510003), (23, 3393044), (43, 1814884), (46, 1696522), (86, 907442), (92, 848261), (172, 453721), (989, 78908), (1978, 39454), (3956, 19727)]