278315968

素因数分解:

$2^6\times 7^1\times {\mathrm{621241}}^1$

素因数の和:621260

約数の個数: 28

約数和(自身を含む): 631181872

約数和(自身を除く): 352865904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 621241, 1242482, 2484964, 4348687, 4969928, 8697374, 9939856, 17394748, 19879712, 34789496, 39759424, 69578992, 139157984, 278315968]

約数ペア:

[(1, 278315968), (2, 139157984), (4, 69578992), (7, 39759424), (8, 34789496), (14, 19879712), (16, 17394748), (28, 9939856), (32, 8697374), (56, 4969928), (64, 4348687), (112, 2484964), (224, 1242482), (448, 621241)]