2489937289

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{813971}}^1$

素因数の和:814020

約数の個数: 16

約数和(自身を含む): 3125652480

約数和(自身を除く): 635715191

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 813971, 5697797, 15465449, 18721333, 108258143, 131049331, 355705327, 2489937289]

約数ペア:

[(1, 2489937289), (7, 355705327), (19, 131049331), (23, 108258143), (133, 18721333), (161, 15465449), (437, 5697797), (3059, 813971)]