138438433

素因数分解:

$7^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1\times {\mathrm{401}}^1$

素因数の和:888

約数の個数: 16

約数和(自身を含む): 160156800

約数和(自身を除く): 21718367

約数列:

[1, 7, 149, 331, 401, 1043, 2317, 2807, 49319, 59749, 132731, 345233, 418243, 929117, 19776919, 138438433]

約数ペア:

[(1, 138438433), (7, 19776919), (149, 929117), (331, 418243), (401, 345233), (1043, 132731), (2317, 59749), (2807, 49319)]