128414864

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{216917}}^1$

素因数の和:216962

約数の個数: 20

約数和(自身を含む): 255529404

約数和(自身を除く): 127114540

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 216917, 433834, 867668, 1735336, 3470672, 8025929, 16051858, 32103716, 64207432, 128414864]

約数ペア:

[(1, 128414864), (2, 64207432), (4, 32103716), (8, 16051858), (16, 8025929), (37, 3470672), (74, 1735336), (148, 867668), (296, 433834), (592, 216917)]