256486256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1233107}}^1$

素因数の和:1233128

約数の個数: 20

約数和(自身を含む): 535168872

約数和(自身を除く): 278682616

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1233107, 2466214, 4932428, 9864856, 16030391, 19729712, 32060782, 64121564, 128243128, 256486256]

約数ペア:

[(1, 256486256), (2, 128243128), (4, 64121564), (8, 32060782), (13, 19729712), (16, 16030391), (26, 9864856), (52, 4932428), (104, 2466214), (208, 1233107)]