664173872

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{965369}}^1$

素因数の和:965420

約数の個数: 20

約数和(自身を含む): 1316764680

約数和(自身を除く): 652590808

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 965369, 1930738, 3861476, 7722952, 15445904, 41510867, 83021734, 166043468, 332086936, 664173872]

約数ペア:

[(1, 664173872), (2, 332086936), (4, 166043468), (8, 83021734), (16, 41510867), (43, 15445904), (86, 7722952), (172, 3861476), (344, 1930738), (688, 965369)]