248601968

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{142547}}^1$

素因数の和:142664

約数の個数: 20

約数和(自身を含む): 486088680

約数和(自身を除く): 237486712

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 142547, 285094, 570188, 1140376, 2280752, 15537623, 31075246, 62150492, 124300984, 248601968]

約数ペア:

[(1, 248601968), (2, 124300984), (4, 62150492), (8, 31075246), (16, 15537623), (109, 2280752), (218, 1140376), (436, 570188), (872, 285094), (1744, 142547)]