478256

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:500

約数の個数: 20

約数和(自身を含む): 941904

約数和(自身を除く): 463648

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 421, 568, 842, 1136, 1684, 3368, 6736, 29891, 59782, 119564, 239128, 478256]

約数ペア:

[(1, 478256), (2, 239128), (4, 119564), (8, 59782), (16, 29891), (71, 6736), (142, 3368), (284, 1684), (421, 1136), (568, 842)]