2000989921

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{8363}}^1$

素因数の和:8653

約数の個数: 24

約数和(自身を含む): 2460019680

約数和(自身を除く): 459029759

約数列:

[1, 7, 19, 49, 133, 257, 931, 1799, 4883, 8363, 12593, 34181, 58541, 158897, 239267, 409787, 1112279, 2149291, 7785953, 15045037, 40836529, 105315259, 285855703, 2000989921]

約数ペア:

[(1, 2000989921), (7, 285855703), (19, 105315259), (49, 40836529), (133, 15045037), (257, 7785953), (931, 2149291), (1799, 1112279), (4883, 409787), (8363, 239267), (12593, 158897), (34181, 58541)]