389606656

素因数分解:

$2^8\times {\mathrm{1521901}}^1$

素因数の和:1521917

約数の個数: 18

約数和(自身を含む): 777691922

約数和(自身を除く): 388085266

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 1521901, 3043802, 6087604, 12175208, 24350416, 48700832, 97401664, 194803328, 389606656]

約数ペア:

[(1, 389606656), (2, 194803328), (4, 97401664), (8, 48700832), (16, 24350416), (32, 12175208), (64, 6087604), (128, 3043802), (256, 1521901)]