78985990

素因数分解:

$2^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{47297}}^1$

素因数の和:47471

約数の個数: 16

約数和(自身を含む): 143029152

約数和(自身を除く): 64043162

約数列:

[1, 2, 5, 10, 167, 334, 835, 1670, 47297, 94594, 236485, 472970, 7898599, 15797198, 39492995, 78985990]

約数ペア:

[(1, 78985990), (2, 39492995), (5, 15797198), (10, 7898599), (167, 472970), (334, 236485), (835, 94594), (1670, 47297)]