388256512

素因数分解:

$2^8\times 7^1\times {\mathrm{216661}}^1$

素因数の和:216684

約数の個数: 36

約数和(自身を含む): 885714256

約数和(自身を除く): 497457744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 216661, 433322, 866644, 1516627, 1733288, 3033254, 3466576, 6066508, 6933152, 12133016, 13866304, 24266032, 27732608, 48532064, 55465216, 97064128, 194128256, 388256512]

約数ペア:

[(1, 388256512), (2, 194128256), (4, 97064128), (7, 55465216), (8, 48532064), (14, 27732608), (16, 24266032), (28, 13866304), (32, 12133016), (56, 6933152), (64, 6066508), (112, 3466576), (128, 3033254), (224, 1733288), (256, 1516627), (448, 866644), (896, 433322), (1792, 216661)]