201720961813

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1019}}^1\times {\mathrm{1488419}}^1$

素因数の和:1489464

約数の個数: 16

約数和(自身を含む): 242910144000

約数和(自身を除く): 41189182187

約数列:

[1, 7, 19, 133, 1019, 7133, 19361, 135527, 1488419, 10418933, 28279961, 197959727, 1516698961, 10616892727, 28817280259, 201720961813]

約数ペア:

[(1, 201720961813), (7, 28817280259), (19, 10616892727), (133, 1516698961), (1019, 197959727), (7133, 28279961), (19361, 10418933), (135527, 1488419)]