66931376

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{220169}}^1$

素因数の和:220196

約数の個数: 20

約数和(自身を含む): 136505400

約数和(自身を除く): 69574024

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 220169, 440338, 880676, 1761352, 3522704, 4183211, 8366422, 16732844, 33465688, 66931376]

約数ペア:

[(1, 66931376), (2, 33465688), (4, 16732844), (8, 8366422), (16, 4183211), (19, 3522704), (38, 1761352), (76, 880676), (152, 440338), (304, 220169)]