1990302573

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4988227}}^1$

素因数の和:4988256

約数の個数: 16

約数和(自身を含む): 3192465920

約数和(自身を除く): 1202163347

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 4988227, 14964681, 34917589, 94776313, 104752767, 284328939, 663434191, 1990302573]

約数ペア:

[(1, 1990302573), (3, 663434191), (7, 284328939), (19, 104752767), (21, 94776313), (57, 34917589), (133, 14964681), (399, 4988227)]