257406942

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{253853}}^1$

素因数の和:253884

約数の個数: 24

約数和(自身を含む): 557463384

約数和(自身を除く): 300056442

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 253853, 507706, 761559, 1523118, 3300089, 6600178, 9900267, 19800534, 42901157, 85802314, 128703471, 257406942]

約数ペア:

[(1, 257406942), (2, 128703471), (3, 85802314), (6, 42901157), (13, 19800534), (26, 9900267), (39, 6600178), (78, 3300089), (169, 1523118), (338, 761559), (507, 507706), (1014, 253853)]