666815152

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{318137}}^1$

素因数の和:318276

約数の個数: 20

約数和(自身を含む): 1301820696

約数和(自身を除く): 635005544

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 318137, 636274, 1272548, 2545096, 5090192, 41675947, 83351894, 166703788, 333407576, 666815152]

約数ペア:

[(1, 666815152), (2, 333407576), (4, 166703788), (8, 83351894), (16, 41675947), (131, 5090192), (262, 2545096), (524, 1272548), (1048, 636274), (2096, 318137)]