1397803952

素因数分解:

$2^4\times {\mathrm{2161}}^1\times {\mathrm{40427}}^1$

素因数の和:42596

約数の個数: 20

約数和(自身を含む): 2709565416

約数和(自身を除く): 1311761464

約数列:

[1, 2, 4, 8, 16, 2161, 4322, 8644, 17288, 34576, 40427, 80854, 161708, 323416, 646832, 87362747, 174725494, 349450988, 698901976, 1397803952]

約数ペア:

[(1, 1397803952), (2, 698901976), (4, 349450988), (8, 174725494), (16, 87362747), (2161, 646832), (4322, 323416), (8644, 161708), (17288, 80854), (34576, 40427)]