256768304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1234463}}^1$

素因数の和:1234484

約数の個数: 20

約数和(自身を含む): 535757376

約数和(自身を除く): 278989072

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1234463, 2468926, 4937852, 9875704, 16048019, 19751408, 32096038, 64192076, 128384152, 256768304]

約数ペア:

[(1, 256768304), (2, 128384152), (4, 64192076), (8, 32096038), (13, 19751408), (16, 16048019), (26, 9875704), (52, 4937852), (104, 2468926), (208, 1234463)]