644352

素因数分解:

$2^8\times 3^1\times {\mathrm{839}}^1$

素因数の和:858

約数の個数: 36

約数和(自身を含む): 1716960

約数和(自身を除く): 1072608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768, 839, 1678, 2517, 3356, 5034, 6712, 10068, 13424, 20136, 26848, 40272, 53696, 80544, 107392, 161088, 214784, 322176, 644352]

約数ペア:

[(1, 644352), (2, 322176), (3, 214784), (4, 161088), (6, 107392), (8, 80544), (12, 53696), (16, 40272), (24, 26848), (32, 20136), (48, 13424), (64, 10068), (96, 6712), (128, 5034), (192, 3356), (256, 2517), (384, 1678), (768, 839)]