7980266

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1579}}^1$

素因数の和:1626

約数の個数: 24

約数和(自身を含む): 14447520

約数和(自身を除く): 6467254

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 1579, 2527, 3158, 5054, 11053, 22106, 30001, 60002, 210007, 420014, 570019, 1140038, 3990133, 7980266]

約数ペア:

[(1, 7980266), (2, 3990133), (7, 1140038), (14, 570019), (19, 420014), (38, 210007), (133, 60002), (266, 30001), (361, 22106), (722, 11053), (1579, 5054), (2527, 3158)]