257021168

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{303091}}^1$

素因数の和:303152

約数の個数: 20

約数和(自身を含む): 507376008

約数和(自身を除く): 250354840

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 303091, 606182, 1212364, 2424728, 4849456, 16063823, 32127646, 64255292, 128510584, 257021168]

約数ペア:

[(1, 257021168), (2, 128510584), (4, 64255292), (8, 32127646), (16, 16063823), (53, 4849456), (106, 2424728), (212, 1212364), (424, 606182), (848, 303091)]