256417828

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{571}}^1\times {\mathrm{857}}^1$

素因数の和:1563

約数の個数: 24

約数和(自身を含む): 453477024

約数和(自身を除く): 197059196

約数列:

[1, 2, 4, 131, 262, 524, 571, 857, 1142, 1714, 2284, 3428, 74801, 112267, 149602, 224534, 299204, 449068, 489347, 978694, 1957388, 64104457, 128208914, 256417828]

約数ペア:

[(1, 256417828), (2, 128208914), (4, 64104457), (131, 1957388), (262, 978694), (524, 489347), (571, 449068), (857, 299204), (1142, 224534), (1714, 149602), (2284, 112267), (3428, 74801)]