209580521654

素因数分解:

$2^1\times 7^1\times {\mathrm{484577}}^1\times {\mathrm{30893}}^1$

素因数の和:515479

約数の個数: 16

約数和(自身を含む): 359293265568

約数和(自身を除く): 149712743914

約数列:

[1, 2, 7, 14, 30893, 61786, 216251, 432502, 484577, 969154, 3392039, 6784078, 14970037261, 29940074522, 104790260827, 209580521654]

約数ペア:

[(1, 209580521654), (2, 104790260827), (7, 29940074522), (14, 14970037261), (30893, 6784078), (61786, 3392039), (216251, 969154), (432502, 484577)]