421817081

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{20201}}^1$

素因数の和:20384

約数の個数: 16

約数和(自身を含む): 510706560

約数和(自身を除く): 88889479

約数列:

[1, 7, 19, 133, 157, 1099, 2983, 20201, 20881, 141407, 383819, 2686733, 3171557, 22200899, 60259583, 421817081]

約数ペア:

[(1, 421817081), (7, 60259583), (19, 22200899), (133, 3171557), (157, 2686733), (1099, 383819), (2983, 141407), (20201, 20881)]