257450402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{164821}}^1$

素因数の和:164905

約数の個数: 16

約数和(自身を含む): 427218624

約数和(自身を除く): 169768222

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 164821, 329642, 1813031, 3626062, 11702291, 23404582, 128725201, 257450402]

約数ペア:

[(1, 257450402), (2, 128725201), (11, 23404582), (22, 11702291), (71, 3626062), (142, 1813031), (781, 329642), (1562, 164821)]