66742288

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{219547}}^1$

素因数の和:219574

約数の個数: 20

約数和(自身を含む): 136119760

約数和(自身を除く): 69377472

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 219547, 439094, 878188, 1756376, 3512752, 4171393, 8342786, 16685572, 33371144, 66742288]

約数ペア:

[(1, 66742288), (2, 33371144), (4, 16685572), (8, 8342786), (16, 4171393), (19, 3512752), (38, 1756376), (76, 878188), (152, 439094), (304, 219547)]