217779976

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{4129}}^1$

素因数の和:4501

約数の個数: 32

約数和(自身を含む): 431172000

約数和(自身を除く): 213392024

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 347, 694, 1388, 2776, 4129, 6593, 8258, 13186, 16516, 26372, 33032, 52744, 78451, 156902, 313804, 627608, 1432763, 2865526, 5731052, 11462104, 27222497, 54444994, 108889988, 217779976]

約数ペア:

[(1, 217779976), (2, 108889988), (4, 54444994), (8, 27222497), (19, 11462104), (38, 5731052), (76, 2865526), (152, 1432763), (347, 627608), (694, 313804), (1388, 156902), (2776, 78451), (4129, 52744), (6593, 33032), (8258, 26372), (13186, 16516)]