1257156956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{402419}}^1$

素因数の和:402505

約数の個数: 24

約数和(自身を含む): 2433836160

約数和(自身を除く): 1176679204

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 402419, 804838, 1609676, 4426609, 8853218, 17706436, 28571749, 57143498, 114286996, 314289239, 628578478, 1257156956]

約数ペア:

[(1, 1257156956), (2, 628578478), (4, 314289239), (11, 114286996), (22, 57143498), (44, 28571749), (71, 17706436), (142, 8853218), (284, 4426609), (781, 1609676), (1562, 804838), (3124, 402419)]