66729901.000000000

素因数分解:

$2^6\times 7^1\times {\mathrm{309937}}^1$

素因数の和:309956

約数の個数: 28

約数和(自身を含む): 314897008

約数和(自身を除く): 176045232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 309937, 619874, 1239748, 2169559, 2479496, 4339118, 4958992, 8678236, 9917984, 17356472, 19835968, 34712944, 69425888, 138851776]

約数ペア:

[(1, 138851776), (2, 69425888), (4, 34712944), (7, 19835968), (8, 17356472), (14, 9917984), (16, 8678236), (28, 4958992), (32, 4339118), (56, 2479496), (64, 2169559), (112, 1239748), (224, 619874), (448, 309937)]