1561394884

素因数分解:

$2^2\times 7^1\times {\mathrm{1249}}^1\times {\mathrm{44647}}^1$

素因数の和:45907

約数の個数: 24

約数和(自身を含む): 3125360000

約数和(自身を除く): 1563965116

約数列:

[1, 2, 4, 7, 14, 28, 1249, 2498, 4996, 8743, 17486, 34972, 44647, 89294, 178588, 312529, 625058, 1250116, 55764103, 111528206, 223056412, 390348721, 780697442, 1561394884]

約数ペア:

[(1, 1561394884), (2, 780697442), (4, 390348721), (7, 223056412), (14, 111528206), (28, 55764103), (1249, 1250116), (2498, 625058), (4996, 312529), (8743, 178588), (17486, 89294), (34972, 44647)]