2021894791

素因数分解:

$7^3\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{619}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 2410560000

約数和(自身を除く): 388665209

約数列:

[1, 7, 49, 89, 107, 343, 619, 623, 749, 4333, 4361, 5243, 9523, 30331, 30527, 36701, 55091, 66233, 66661, 212317, 385637, 463631, 466627, 2699459, 3245417, 3266389, 5894737, 18896213, 22717919, 41263159, 288842113, 2021894791]

約数ペア:

[(1, 2021894791), (7, 288842113), (49, 41263159), (89, 22717919), (107, 18896213), (343, 5894737), (619, 3266389), (623, 3245417), (749, 2699459), (4333, 466627), (4361, 463631), (5243, 385637), (9523, 212317), (30331, 66661), (30527, 66233), (36701, 55091)]