1561567184

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{1374619}}^1$

素因数の和:1374698

約数の個数: 20

約数和(自身を含む): 3068151840

約数和(自身を除く): 1506584656

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 1374619, 2749238, 5498476, 10996952, 21993904, 97597949, 195195898, 390391796, 780783592, 1561567184]

約数ペア:

[(1, 1561567184), (2, 780783592), (4, 390391796), (8, 195195898), (16, 97597949), (71, 21993904), (142, 10996952), (284, 5498476), (568, 2749238), (1136, 1374619)]