28711568

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{9109}}^1$

素因数の和:9314

約数の個数: 20

約数和(自身を含む): 55917180

約数和(自身を除く): 27205612

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 9109, 18218, 36436, 72872, 145744, 1794473, 3588946, 7177892, 14355784, 28711568]

約数ペア:

[(1, 28711568), (2, 14355784), (4, 7177892), (8, 3588946), (16, 1794473), (197, 145744), (394, 72872), (788, 36436), (1576, 18218), (3152, 9109)]