1389341788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{344921}}^1$

素因数の和:344997

約数の個数: 24

約数和(自身を含む): 2607610320

約数和(自身を除く): 1218268532

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 344921, 689842, 1379684, 6553499, 13106998, 18280813, 26213996, 36561626, 73123252, 347335447, 694670894, 1389341788]

約数ペア:

[(1, 1389341788), (2, 694670894), (4, 347335447), (19, 73123252), (38, 36561626), (53, 26213996), (76, 18280813), (106, 13106998), (212, 6553499), (1007, 1379684), (2014, 689842), (4028, 344921)]