201990016

素因数分解:

$2^7\times {\mathrm{1578047}}^1$

素因数の和:1578061

約数の個数: 16

約数和(自身を含む): 402402240

約数和(自身を除く): 200412224

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 1578047, 3156094, 6312188, 12624376, 25248752, 50497504, 100995008, 201990016]

約数ペア:

[(1, 201990016), (2, 100995008), (4, 50497504), (8, 25248752), (16, 12624376), (32, 6312188), (64, 3156094), (128, 1578047)]