1781567228

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{27919}}^1$

素因数の和:28026

約数の個数: 48

約数和(自身を含む): 3714923520

約数和(自身を除く): 1933356292

約数列:

[1, 2, 4, 7, 14, 28, 43, 53, 86, 106, 172, 212, 301, 371, 602, 742, 1204, 1484, 2279, 4558, 9116, 15953, 27919, 31906, 55838, 63812, 111676, 195433, 390866, 781732, 1200517, 1479707, 2401034, 2959414, 4802068, 5918828, 8403619, 10357949, 16807238, 20715898, 33614476, 41431796, 63627401, 127254802, 254509604, 445391807, 890783614, 1781567228]

約数ペア:

[(1, 1781567228), (2, 890783614), (4, 445391807), (7, 254509604), (14, 127254802), (28, 63627401), (43, 41431796), (53, 33614476), (86, 20715898), (106, 16807238), (172, 10357949), (212, 8403619), (301, 5918828), (371, 4802068), (602, 2959414), (742, 2401034), (1204, 1479707), (1484, 1200517), (2279, 781732), (4558, 390866), (9116, 195433), (15953, 111676), (27919, 63812), (31906, 55838)]