392478770

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{552787}}^1$

素因数の和:552865

約数の個数: 16

約数和(自身を含む): 716413248

約数和(自身を除く): 323934478

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 552787, 1105574, 2763935, 5527870, 39247877, 78495754, 196239385, 392478770]

約数ペア:

[(1, 392478770), (2, 196239385), (5, 78495754), (10, 39247877), (71, 5527870), (142, 2763935), (355, 1105574), (710, 552787)]