1388996912

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{2800397}}^1$

素因数の和:2800436

約数の個数: 20

約数和(自身を含む): 2777994816

約数和(自身を除く): 1388997904

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 2800397, 5600794, 11201588, 22403176, 44806352, 86812307, 173624614, 347249228, 694498456, 1388996912]

約数ペア:

[(1, 1388996912), (2, 694498456), (4, 347249228), (8, 173624614), (16, 86812307), (31, 44806352), (62, 22403176), (124, 11201588), (248, 5600794), (496, 2800397)]