2006992813

素因数分解:

$7^3\times {\mathrm{37}}^1\times {\mathrm{158143}}^1$

素因数の和:158201

約数の個数: 16

約数和(自身を含む): 2403788800

約数和(自身を除く): 396795987

約数列:

[1, 7, 37, 49, 259, 343, 1813, 12691, 158143, 1107001, 5851291, 7749007, 40959037, 54243049, 286713259, 2006992813]

約数ペア:

[(1, 2006992813), (7, 286713259), (37, 54243049), (49, 40959037), (259, 7749007), (343, 5851291), (1813, 1107001), (12691, 158143)]