640035392

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{232571}}^1$

素因数の和:232626

約数の個数: 28

約数和(自身を含む): 1299612336

約数和(自身を除く): 659576944

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 232571, 465142, 930284, 1860568, 3721136, 7442272, 10000553, 14884544, 20001106, 40002212, 80004424, 160008848, 320017696, 640035392]

約数ペア:

[(1, 640035392), (2, 320017696), (4, 160008848), (8, 80004424), (16, 40002212), (32, 20001106), (43, 14884544), (64, 10000553), (86, 7442272), (172, 3721136), (344, 1860568), (688, 930284), (1376, 465142), (2752, 232571)]