256702928

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{117109}}^1$

素因数の和:117254

約数の個数: 20

約数和(自身を含む): 500996580

約数和(自身を除く): 244293652

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 117109, 234218, 468436, 936872, 1873744, 16043933, 32087866, 64175732, 128351464, 256702928]

約数ペア:

[(1, 256702928), (2, 128351464), (4, 64175732), (8, 32087866), (16, 16043933), (137, 1873744), (274, 936872), (548, 468436), (1096, 234218), (2192, 117109)]