79663988

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{280507}}^1$

素因数の和:280582

約数の個数: 12

約数和(自身を含む): 141376032

約数和(自身を除く): 61712044

約数列:

[1, 2, 4, 71, 142, 284, 280507, 561014, 1122028, 19915997, 39831994, 79663988]

約数ペア:

[(1, 79663988), (2, 39831994), (4, 19915997), (71, 1122028), (142, 561014), (284, 280507)]