78851090

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{12263}}^1$

素因数の和:12913

約数の個数: 16

約数和(自身を含む): 142164288

約数和(自身を除く): 63313198

約数列:

[1, 2, 5, 10, 643, 1286, 3215, 6430, 12263, 24526, 61315, 122630, 7885109, 15770218, 39425545, 78851090]

約数ペア:

[(1, 78851090), (2, 39425545), (5, 15770218), (10, 7885109), (643, 122630), (1286, 61315), (3215, 24526), (6430, 12263)]