65403728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{314441}}^1$

素因数の和:314462

約数の個数: 20

約数和(自身を含む): 136467828

約数和(自身を除く): 71064100

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 314441, 628882, 1257764, 2515528, 4087733, 5031056, 8175466, 16350932, 32701864, 65403728]

約数ペア:

[(1, 65403728), (2, 32701864), (4, 16350932), (8, 8175466), (13, 5031056), (16, 4087733), (26, 2515528), (52, 1257764), (104, 628882), (208, 314441)]