389780237

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{136813}}^1$

素因数の和:136868

約数の個数: 16

約数和(自身を含む): 499097472

約数和(自身を除く): 109317235

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 136813, 957691, 1504943, 5062081, 10534601, 35434567, 55682891, 389780237]

約数ペア:

[(1, 389780237), (7, 55682891), (11, 35434567), (37, 10534601), (77, 5062081), (259, 1504943), (407, 957691), (2849, 136813)]