389968271

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{136879}}^1$

素因数の和:136934

約数の個数: 16

約数和(自身を含む): 499338240

約数和(自身を除く): 109369969

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 136879, 958153, 1505669, 5064523, 10539683, 35451661, 55709753, 389968271]

約数ペア:

[(1, 389968271), (7, 55709753), (11, 35451661), (37, 10539683), (77, 5064523), (259, 1505669), (407, 958153), (2849, 136879)]