66781558

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{3307}}^1$

素因数の和:3771

約数の個数: 16

約数和(自身を含む): 104797440

約数和(自身を除く): 38015882

約数列:

[1, 2, 23, 46, 439, 878, 3307, 6614, 10097, 20194, 76061, 152122, 1451773, 2903546, 33390779, 66781558]

約数ペア:

[(1, 66781558), (2, 33390779), (23, 2903546), (46, 1451773), (439, 152122), (878, 76061), (3307, 20194), (6614, 10097)]