66438256

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{78347}}^1$

素因数の和:78408

約数の個数: 20

約数和(自身を含む): 131154552

約数和(自身を除く): 64716296

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 78347, 156694, 313388, 626776, 1253552, 4152391, 8304782, 16609564, 33219128, 66438256]

約数ペア:

[(1, 66438256), (2, 33219128), (4, 16609564), (8, 8304782), (16, 4152391), (53, 1253552), (106, 626776), (212, 313388), (424, 156694), (848, 78347)]