256424912

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{843503}}^1$

素因数の和:843530

約数の個数: 20

約数和(自身を含む): 522972480

約数和(自身を除く): 266547568

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 843503, 1687006, 3374012, 6748024, 13496048, 16026557, 32053114, 64106228, 128212456, 256424912]

約数ペア:

[(1, 256424912), (2, 128212456), (4, 64106228), (8, 32053114), (16, 16026557), (19, 13496048), (38, 6748024), (76, 3374012), (152, 1687006), (304, 843503)]