278007212

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{991}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 571963392

約数和(自身を除く): 293956180

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 233, 301, 466, 602, 932, 991, 1204, 1631, 1982, 3262, 3964, 6524, 6937, 10019, 13874, 20038, 27748, 40076, 42613, 70133, 85226, 140266, 170452, 230903, 280532, 298291, 461806, 596582, 923612, 1193164, 1616321, 3232642, 6465284, 9928829, 19857658, 39715316, 69501803, 139003606, 278007212]

約数ペア:

[(1, 278007212), (2, 139003606), (4, 69501803), (7, 39715316), (14, 19857658), (28, 9928829), (43, 6465284), (86, 3232642), (172, 1616321), (233, 1193164), (301, 923612), (466, 596582), (602, 461806), (932, 298291), (991, 280532), (1204, 230903), (1631, 170452), (1982, 140266), (3262, 85226), (3964, 70133), (6524, 42613), (6937, 40076), (10019, 27748), (13874, 20038)]