205431318

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{87121}}^1$

素因数の和:87260

約数の個数: 24

約数和(自身を含む): 448504056

約数和(自身を除く): 243072738

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 786, 1179, 2358, 87121, 174242, 261363, 522726, 784089, 1568178, 11412851, 22825702, 34238553, 68477106, 102715659, 205431318]

約数ペア:

[(1, 205431318), (2, 102715659), (3, 68477106), (6, 34238553), (9, 22825702), (18, 11412851), (131, 1568178), (262, 784089), (393, 522726), (786, 261363), (1179, 174242), (2358, 87121)]