1380016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{7841}}^1$

素因数の和:7860

約数の個数: 20

約数和(自身を含む): 2917224

約数和(自身を除く): 1537208

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 7841, 15682, 31364, 62728, 86251, 125456, 172502, 345004, 690008, 1380016]

約数ペア:

[(1, 1380016), (2, 690008), (4, 345004), (8, 172502), (11, 125456), (16, 86251), (22, 62728), (44, 31364), (88, 15682), (176, 7841)]