2153441878

素因数分解:

$2^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{491429}}^1$

素因数の和:491751

約数の個数: 16

約数和(自身を含む): 3703416480

約数和(自身を除く): 1549974602

約数列:

[1, 2, 7, 14, 313, 626, 2191, 4382, 491429, 982858, 3440003, 6880006, 153817277, 307634554, 1076720939, 2153441878]

約数ペア:

[(1, 2153441878), (2, 1076720939), (7, 307634554), (14, 153817277), (313, 6880006), (626, 3440003), (2191, 982858), (4382, 491429)]